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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding...

January, 2000 to December, 2024

Index includes 627 messages. Sorted by date, recent messages first.

                    
Re: Bygrave sight reduction accuracy with slide ruleBrian Walton29 Nov 2024, 12:42
Re: Bygrave sight reduction accuracy with slide ruleGary LaPook27 Nov 2024, 09:19
Re: Bygrave sight reduction accuracy with slide ruleGary LaPook22 Nov 2024, 06:40
Re: Bygrave sight reduction accuracy with slide ruleGary LaPook21 Nov 2024, 08:50
Re: Bygrave sight reduction accuracy with slide ruleBrian Walton21 Nov 2024, 07:02
Bygrave sight reduction accuracy with slide rulePaul Hirose20 Nov 2024, 17:29
Bygrave sliderule available on ebay!Gary LaPook15 Jun 2024, 16:51
Re: Altitude & azimuth from Bygrave formulasGary LaPook5 Jun 2024, 03:23
Re: Instructions for Flat BygraveGary LaPook3 Jun 2024, 06:47
Re: Altitude & azimuth from Bygrave formulasPaul Hirose1 Jun 2024, 19:55
Re: Instructions for Flat BygraveAlan S13 May 2024, 19:51
Re: Instructions for Flat BygraveGary LaPook13 May 2024, 17:21
Instructions for Flat BygraveAlan S13 May 2024, 02:31
Japanese Bygrave on eBayArt Leung12 Mar 2024, 11:56
Re: Borrowed BygraveGary LaPook24 Dec 2023, 10:22
Re: Borrowed BygraveGary LaPook22 Dec 2023, 01:18
Re: Borrowed BygraveGary LaPook22 Dec 2023, 00:57
Re: Borrowed BygraveFrank Reed21 Dec 2023, 16:02
Re: Borrowed BygraveTibor Miseta20 Dec 2023, 21:02
Re: Borrowed BygraveAlan S20 Dec 2023, 04:34
Re: Borrowed BygraveGary LaPook19 Dec 2023, 19:40
Re: Borrowed BygraveGary LaPook19 Dec 2023, 19:39
Re: Borrowed BygraveArt Leung19 Dec 2023, 15:38
Re: Borrowed BygraveBill Ritchie16 Dec 2023, 22:17
Re: Borrowed BygraveGary LaPook16 Dec 2023, 19:00
Re: Buy or build a modern Bygrave slide ruleDarcy Paul15 Dec 2023, 04:00
Re: Borrowed BygraveDarcy Paul15 Dec 2023, 03:52
Re: Altitude & azimuth from Bygrave formulasGary LaPook30 Nov 2023, 02:40
Altitude & azimuth from Bygrave formulasPaul Hirose29 Nov 2023, 17:17
Re: Bygrave Slide Rule – Manual dexterity aspectsBrian Walton14 Jul 2023, 14:09
Bygrave Slide Rule – Manual dexterity aspectsBill Ritchie13 Jul 2023, 21:23
Re: Flat BygraveTibor Miseta7 Jul 2023, 11:56
Re: Flat BygraveTibor Miseta7 Jul 2023, 11:39
Re: Flat BygraveHerman Dekker7 Jul 2023, 07:14
Re: Flat BygraveGary LaPook7 Jul 2023, 05:19
Flat BygraveAlan S7 Jul 2023, 03:49
Re: Bygrave on ebayFrancis Upchurch16 Nov 2022, 17:08
Re: Bygrave on ebayBill Ritchie16 Nov 2022, 15:07
Re: Bygrave on ebayFrancis Upchurch14 Nov 2022, 05:53
Re: Bygrave on ebayAlan S14 Nov 2022, 03:49
Re: Bygrave on ebayBill Ritchie13 Nov 2022, 22:18
Re: Bygrave on ebayDavid Pike13 Nov 2022, 20:43
Re: Bygrave on ebayFrancis Upchurch13 Nov 2022, 17:16
Re: Bygrave on ebayFrancis Upchurch13 Nov 2022, 17:03
Re: Bygrave on ebayDavid Pike13 Nov 2022, 12:53
Bygrave on ebayBob Crawley13 Nov 2022, 08:21
Re: Bygrave now on ebayGary LaPook24 Aug 2022, 07:01
Bygrave now on ebayGary LaPook10 Aug 2022, 18:11
Japanese version of the Bygrave/MHR1 on eBayArt Leung1 Jun 2022, 13:21
"Traditional" flat BygraveTibor Miseta30 Jul 2021, 22:13
Re: Evolution of the Flat BygraveArt Leung13 Jul 2021, 12:34
Re: Evolution of the Flat BygraveWolfgang Hasper13 Jul 2021, 09:09
Evolution of the Flat BygraveRobin Stuart12 Jul 2021, 14:45
Re: Borrowed BygraveBrian Walton19 Jun 2021, 04:38
Re: Borrowed BygraveDavid Pike18 Jun 2021, 09:47
Re: Borrowed BygraveBrian Walton18 Jun 2021, 03:07
Re: Borrowed BygraveDavid Pike16 Jun 2021, 20:27
Re: Borrowed BygraveFrancis Upchurch16 Jun 2021, 14:41
Re: Borrowed BygraveWolfgang Hasper16 Jun 2021, 11:11
Re: Borrowed BygraveDavid Pike16 Jun 2021, 06:30
Re: Borrowed BygraveFrancis Upchurch16 Jun 2021, 04:00
Re: Borrowed BygraveSteve Gillion15 Jun 2021, 09:13
Bygrave Slide Rule EmulatorBill Ritchie14 May 2021, 17:16
Re: Time Sight and Ex-Meridian by BygraveBrian Walton28 Apr 2021, 16:11
Re: Time Sight and Ex-Meridian by BygraveGreg Rudzinski8 Apr 2021, 12:56
Re: Time Sight and Ex-Meridian by BygraveTony Oz8 Apr 2021, 07:29
Re: Time Sight and Ex-Meridian by BygraveLars Bergman7 Apr 2021, 21:27
Re: Time Sight and Ex-Meridian by BygraveBrian Walton7 Apr 2021, 07:56
Re: Time Sight and Ex-Meridian by BygraveGreg Rudzinski6 Apr 2021, 23:07
Re: Time Sight and Ex-Meridian by BygraveTony Oz6 Apr 2021, 15:59
Re: Time Sight and Ex-Meridian by BygraveGreg Rudzinski6 Apr 2021, 14:33
Time Sight and Ex-Meridian by BygraveBrian Walton6 Apr 2021, 09:49
Re: Flat BygraveAlan S19 Jan 2021, 22:05
Re: Flat BygraveGary LaPook19 Jan 2021, 20:09
Flat BygraveAlan S19 Jan 2021, 04:16
Re: Bygrave Equations with a CalculatorÖrjan Sandström27 Dec 2020, 12:30
Re: Bygrave Equations with a CalculatorFrank Reed27 Dec 2020, 03:22
Re: Bygrave Equations with a CalculatorDavid C26 Dec 2020, 07:35
Re: Bygrave Equations with a CalculatorFrank Reed26 Dec 2020, 04:25
Re: Bygrave Equations with a CalculatorDavid C26 Dec 2020, 03:17
Re: Bygrave Equations with a CalculatorFrank Reed25 Dec 2020, 15:52
Bygrave Equations with a CalculatorBob Goethe25 Dec 2020, 14:59
Re: Traditional Bygrave, Modern Bygrave and Linear slide rule emulators.Francis Upchurch3 Apr 2020, 17:07
Re: Traditional Bygrave, Modern Bygrave and Linear slide rule emulators.Alan S2 Apr 2020, 19:53
Traditional Bygrave, Modern Bygrave and Linear slide rule emulators.Bill Ritchie2 Apr 2020, 10:40
Re: Modern Bygrave Slide Rule EmulatorBill Ritchie21 Mar 2020, 23:05
Re: Modern Bygrave Slide Rule EmulatorFrancis Upchurch19 Mar 2020, 10:52
Re: Modern Bygrave Slide Rule EmulatorBill Ritchie18 Mar 2020, 18:53
Re: Modern Bygrave Slide Rule EmulatorGary LaPook10 Mar 2020, 20:42
Re: Modern Bygrave Slide Rule EmulatorFrancis Upchurch7 Mar 2020, 21:51
Re: Modern Bygrave Slide Rule EmulatorBob Crawley7 Mar 2020, 09:24
Re: Modern Bygrave Slide Rule EmulatorFrancis Upchurch7 Mar 2020, 07:52
Re: Modern Bygrave Slide Rule EmulatorGreg Rudzinski6 Mar 2020, 20:49
Re: Modern Bygrave Slide Rule EmulatorGary LaPook6 Mar 2020, 19:06
Modern Bygrave Slide Rule EmulatorBill Ritchie5 Mar 2020, 20:45
Re: Buy or build a modern Bygrave slide ruleWolfgang Hasper18 Oct 2019, 10:00
Re: Buy or build a modern Bygrave slide ruleWolfgang Hasper18 Oct 2019, 09:51
Re: Buy or build a modern Bygrave slide ruleRobin Stuart17 Oct 2019, 15:33
Re: Buy or build a modern Bygrave slide ruleRobin Stuart16 Oct 2019, 14:16
Re: Buy or build a modern Bygrave slide ruleGary LaPook16 Oct 2019, 05:36
Re: Buy or build a modern Bygrave slide ruleGary LaPook15 Oct 2019, 23:17
Re: Buy or build a modern Bygrave slide ruleBrad Morris15 Oct 2019, 20:22
Re: Buy or build a modern Bygrave slide ruleFrancis Upchurch15 Oct 2019, 18:02
Re: Buy or build a modern Bygrave slide ruleGary LaPook15 Oct 2019, 17:37
Buy or build a modern Bygrave slide ruleSeán T. Rickard15 Oct 2019, 17:05
Bygrave sliderule for saleGary LaPook25 Mar 2019, 21:16
Re: Flat Bygrave alternative configurationHerman Dekker25 Jun 2018, 23:58
Re: Flat Bygrave alternative configurationRobin Stuart25 Jun 2018, 17:33
Re: Flat Bygrave alternative configurationHerman Dekker25 Jun 2018, 17:14
Re: Gary LaPooks Flat BygraveRobin Stuart25 Jun 2018, 15:18
Re: Gary LaPooks Flat BygraveGary LaPook25 Jun 2018, 07:30
Gary LaPooks Flat BygraveAlan S25 Jun 2018, 00:41
Re: Deriving the Bygrave equationsGary LaPook11 Feb 2018, 06:32
Re: Deriving the Bygrave equationsGeoffrey Kolbe10 Feb 2018, 14:36
Re: Deriving the Bygrave equationsPaul Hirose9 Feb 2018, 18:34
Deriving the Bygrave equationsBob Goethe6 Feb 2018, 23:23
Star identification via Bygrave formulasPaul Hirose12 Jan 2018, 16:48
Re: Bygrave sight reduction by slide rulePaul Hirose8 Jan 2018, 04:40
Re: Bygrave sight reduction by slide rulePaul Hirose2 Jan 2018, 22:44
Re: Bygrave sight reduction by slide ruleGreg Rudzinski14 Dec 2017, 19:08
Bygrave sight reduction by slide rulePaul Hirose13 Dec 2017, 22:28
Re: Slide rule Bygrave sight reductionPaul Hirose21 Aug 2017, 23:35
Slide rule Bygrave sight reductionPaul Hirose21 Aug 2017, 05:14
Re: The flat BygraveTony Oz17 Mar 2017, 14:15
Re: The flat BygraveRobin Stuart25 Feb 2017, 21:09
Re: The flat BygraveTony Oz25 Feb 2017, 20:03
Re: The flat BygraveRobin Stuart25 Feb 2017, 14:23
Re: The flat BygraveTony Oz24 Feb 2017, 23:25
Re: Re-doing my homework (by Bygrave)Tony Oz23 Feb 2017, 10:26
Re: Re-doing my homework (by Bygrave)Paul Hirose23 Feb 2017, 08:18
Re-doing my homework (by Bygrave)Tony Oz23 Feb 2017, 00:41
360 degree Bygrave slide rule sight reductionPaul Hirose21 Feb 2017, 07:20
Re: The flat BygraveGary LaPook25 Nov 2016, 19:22
Re: The flat BygraveBrad Morris25 Nov 2016, 18:26
Re: The flat BygraveTony Oz25 Nov 2016, 16:54
Re: The flat BygraveRobin Stuart24 Nov 2016, 21:37
Re: The flat BygraveGary LaPook24 Nov 2016, 19:08
The flat BygraveTony Oz24 Nov 2016, 18:09
Re: Comments on Bygrave/MHR1 calculationsGary LaPook11 Aug 2016, 21:58
Re: Comments on Bygrave/MHR1 calculationsRobin Stuart11 Aug 2016, 15:40
Re: Comments on Bygrave/MHR1 calculationsGary LaPook8 Aug 2016, 18:51
Re: Comments on Bygrave/MHR1 calculationsGary LaPook8 Aug 2016, 18:48
Re: Comments on Bygrave/MHR1 calculationsRobin Stuart8 Aug 2016, 15:45
Re: Comments on Bygrave/MHR1 calculationsRobin Stuart8 Aug 2016, 13:45
Re: Comments on Bygrave/MHR1 calculationsGary LaPook8 Aug 2016, 08:44
Re: Comments on Bygrave/MHR1 calculationsRobin Stuart6 Aug 2016, 13:30
Re: Comments on Bygrave/MHR1 calculationsGary LaPook5 Aug 2016, 07:46
Re: Comments on Bygrave/MHR1 calculationsGary LaPook5 Aug 2016, 07:43
Comments on Bygrave/MHR1 calculationsRobin Stuart4 Aug 2016, 19:55
Re: Aquino, Bayless, Bygrave, WeemsStan K8 May 2016, 21:53
Aquino, Bayless, Bygrave, WeemsFrank Reed8 May 2016, 16:34
Re: Borrowed BygraveWolfgang Hasper18 Jan 2016, 08:20
Re: Borrowed BygraveTom Sult17 Jan 2016, 21:21
Re: Borrowed BygraveWolfgang Hasper17 Jan 2016, 19:19
Re: Borrowed BygraveDavid Pike17 Jan 2016, 16:11
Re: Borrowed BygraveRobin Stuart17 Jan 2016, 14:15
Re: Borrowed BygraveSean C17 Jan 2016, 07:42
Re: Borrowed BygraveFrancis Upchurch17 Jan 2016, 05:54
Re: Borrowed BygraveFrank Reed16 Jan 2016, 23:27
Re: Borrowed BygraveBrad Morris16 Jan 2016, 21:07
Re: Borrowed BygraveWolfgang Hasper16 Jan 2016, 19:39
Re: Borrowed BygraveGary LaPook16 Jan 2016, 11:44
Re: Borrowed BygraveGary LaPook16 Jan 2016, 11:29
Re: Borrowed BygraveGary LaPook15 Jan 2016, 18:26
Re: Borrowed BygraveRobin Stuart15 Jan 2016, 17:20
Re: Borrowed BygraveTom Sult15 Jan 2016, 15:34
Re: Borrowed BygraveFrancis Upchurch15 Jan 2016, 12:14
Re: Borrowed BygraveGary LaPook15 Jan 2016, 09:49
Re: Borrowed BygraveGary LaPook15 Jan 2016, 09:36
Re: Borrowed BygraveGary LaPook15 Jan 2016, 09:21
Re: Borrowed BygraveGary LaPook15 Jan 2016, 08:56
Re: Borrowed BygraveGary LaPook15 Jan 2016, 08:45
Re: Borrowed BygraveBrad Morris15 Jan 2016, 07:36
Re: Borrowed BygraveBrad Morris15 Jan 2016, 07:28
Re: Borrowed BygraveGary LaPook15 Jan 2016, 06:59
Re: Borrowed BygraveGary LaPook15 Jan 2016, 04:09
Re: Borrowed BygraveGary LaPook15 Jan 2016, 02:42
Re: Borrowed BygraveGary LaPook15 Jan 2016, 02:16
Re: Borrowed BygraveGary LaPook15 Jan 2016, 02:06
Borrowed BygraveDavid Pike15 Jan 2016, 00:41
Re: Bygrave Special CasesGary LaPook14 Jul 2015, 07:10
Re: Bygrave Special CasesGreg Rudzinski13 Jul 2015, 22:46
Re: Bygrave Special CasesBob Goethe13 Jul 2015, 21:58
Re: Bygrave Special CasesGary LaPook12 Jul 2015, 07:57
Re: Bygrave Special CasesGary LaPook12 Jul 2015, 07:31
Re: Bygrave Special CasesBob Goethe11 Jul 2015, 23:53
Re: Bygrave Special CasesGreg Rudzinski11 Jul 2015, 21:55
Bygrave Special CasesBob Goethe11 Jul 2015, 18:54
Re: Bygrave formula accuracy on 10 inch slide ruleGreg Rudzinski9 Jul 2015, 02:39
Re: Bygrave formula accuracy on 10 inch slide ruleRobert Bernecky9 Jul 2015, 00:28
Re: Bygrave formula accuracy on 10 inch slide ruleRon Jones8 Jul 2015, 20:48
Re: Bygrave formula accuracy on 10 inch slide ruleHewitt Schlereth8 Jul 2015, 17:07
Re: Bygrave formula accuracy on 10 inch slide ruleGreg Rudzinski8 Jul 2015, 15:58
Re: Bygrave formula accuracy on 10 inch slide ruleFrancis Upchurch8 Jul 2015, 06:54
Re: Bygrave formula accuracy on 10 inch slide ruleGreg Rudzinski8 Jul 2015, 00:55
Re: Bygrave formula accuracy on 10 inch slide ruleGreg Rudzinski7 Jul 2015, 20:02
Re: Bygrave formula accuracy on 10 inch slide rulePaul Hirose7 Jul 2015, 06:22
Re: Bygrave formula accuracy on 10 inch slide ruleFrancis Upchurch7 Jul 2015, 05:45
Re: Bygrave formula accuracy on 10 inch slide ruleGreg Rudzinski6 Jul 2015, 17:29
Re: Bygrave formula accuracy on 10 inch slide ruleGreg Rudzinski6 Jul 2015, 16:02
Re: Bygrave formula accuracy on 10 inch slide ruleFrancis Upchurch6 Jul 2015, 10:02
Re: Bygrave formula accuracy on 10 inch slide ruleGreg Rudzinski6 Jul 2015, 01:49
Re: Bygrave range of angles?Hanno Ix21 Apr 2015, 23:01
Re: Bygrave range of angles?Hanno Ix21 Apr 2015, 22:50
Re: Bygrave range of angles?Gary LaPook21 Apr 2015, 19:50
Re: Bygrave range of angles?Hanno Ix21 Apr 2015, 16:34
Re: Bygrave range of angles?Gary LaPook21 Apr 2015, 08:31
Re: Bygrave range of angles?Francis Upchurch21 Apr 2015, 05:23
Bygrave range of angles?Hanno Ix20 Apr 2015, 18:53
Re: Postscript code for making Bygrave ScalesRobin Stuart4 Jan 2015, 19:41
Re: Bygrave formulaHanno Ix19 Jul 2014, 19:20
Re: Flat Bygrave alternative configurationRobin Stuart12 Jul 2014, 14:31
Re: Flat Bygrave alternative configurationHanno Ix4 Jul 2014, 05:32
Re: Flat Bygrave alternative configurationGary LaPook3 Jul 2014, 16:40
Re: Flat Bygrave alternative configurationHanno Ix3 Jul 2014, 12:40
Re: Bygrave formulaGary LaPook3 Jul 2014, 07:58
Re: Bygrave formulaFrancis Upchurch3 Jul 2014, 04:07
Re: Bygrave formulaFrancis Upchurch2 Jul 2014, 05:25
Re: Flat Bygrave alternative configurationSean C2 Jul 2014, 04:29
Re: Bygrave formulaHanno Ix1 Jul 2014, 17:40
Re: Flat Bygrave alternative configurationRobin Stuart1 Jul 2014, 17:30
Re: Flat Bygrave alternative configurationHanno Ix1 Jul 2014, 00:15
Re: Bygrave formulaHanno Ix29 Jun 2014, 23:06
Re: Bygrave formulaBrad Morris29 Jun 2014, 16:25
Re: Bygrave formulaÖrjan Sandström29 Jun 2014, 16:09
Re: Flat Bygrave alternative configurationRobin Stuart29 Jun 2014, 11:26
Re: Flat Bygrave alternative configurationRobin Stuart29 Jun 2014, 11:13
Re: Bygrave formulaFrancis Upchurch29 Jun 2014, 05:34
Re: Flat Bygrave alternative configurationHanno Ix29 Jun 2014, 02:08
Re: Bygrave formulaHanno Ix28 Jun 2014, 22:46
Re: Flat Bygrave alternative configurationHanno Ix19 Jun 2014, 14:54
Re: Flat Bygrave alternative configurationRobin Stuart19 Jun 2014, 12:31
Re: Flat Bygrave alternative configurationPeter Hakel19 Jun 2014, 01:33
Re: Flat Bygrave alternative configurationRandall Morrow18 Jun 2014, 14:48
Re: Flat Bygrave alternative configurationHanno Ix18 Jun 2014, 14:39
Re: Flat Bygrave alternative configurationHanno Ix18 Jun 2014, 14:36
Re: Flat Bygrave alternative configurationHanno Ix17 Jun 2014, 22:08
Re: Flat Bygrave alternative configurationHanno Ix17 Jun 2014, 22:04
Re: Flat Bygrave alternative configurationGary LaPook17 Jun 2014, 21:57
Re: Flat Bygrave alternative configurationRobin Stuart17 Jun 2014, 21:47
Re: Flat Bygrave alternative configurationRandall Morrow17 Jun 2014, 19:20
Re: Flat Bygrave alternative configurationRandall Morrow17 Jun 2014, 17:24
Re: Flat Bygrave alternative configurationHanno Ix17 Jun 2014, 16:36
Re: Flat Bygrave alternative configurationRobin Stuart17 Jun 2014, 14:40
Re: Flat Bygrave alternative configurationHanno Ix17 Jun 2014, 13:43
Re: Flat Bygrave alternative configurationRobin Stuart17 Jun 2014, 12:39
Re: Flat Bygrave alternative configurationGary LaPook16 Jun 2014, 20:04
Re: Flat Bygrave alternative configurationHanno Ix16 Jun 2014, 19:31
Re: Bygrave formulaFrancis Upchurch10 Jun 2014, 08:36
Re: Bygrave formulaFrank Reed9 Jun 2014, 21:50
Re: Bygrave formulaHanno Ix9 Jun 2014, 18:46
Re: Bygrave formulaHanno Ix9 Jun 2014, 18:43
Re: Bygrave formulaFrancis Upchurch9 Jun 2014, 17:46
Re: Bygrave formulaFrank Reed9 Jun 2014, 17:22
Re: Bygrave formulaFrancis Upchurch9 Jun 2014, 06:01
Re: Bygrave formulaFrancis Upchurch9 Jun 2014, 05:54
Re: Bygrave formulaHanno Ix8 Jun 2014, 18:16
Re: Bygrave formulaHanno Ix8 Jun 2014, 17:47
Re: Bygrave formulaHanno Ix8 Jun 2014, 01:33
Re: Bygrave formulaFrancis Upchurch8 Jun 2014, 00:39
Re: Bygrave formulaGeoffrey Kolbe7 Jun 2014, 14:55
Re: Bygrave formulaFrancis Upchurch6 Jun 2014, 18:42
Bygrave formulaHanno Ix6 Jun 2014, 06:08
Re: Bygrave Patent GB162,895Hanno Ix3 Jun 2014, 03:24
Re: Bygrave Patent GB162,895Luc Van den Borre2 Jun 2014, 07:16
Re: Bygrave Patent GB162,895Hanno Ix2 Jun 2014, 05:38
Re: Bygrave Patent GB162,895Gary LaPook2 Jun 2014, 05:18
Bygrave Patent GB162,895Hanno Ix2 Jun 2014, 00:08
Re: Postscript code for making Bygrave ScalesRobin Stuart1 Apr 2014, 16:52
Re: Postscript code for making Bygrave ScalesRobin Stuart31 Mar 2014, 21:16
Re: Postscript code for making Bygrave ScalesSean C31 Mar 2014, 16:14
Re: Postscript code for making Bygrave ScalesWolfgang Hasper31 Mar 2014, 16:03
Re: Postscript code for making Bygrave ScalesAndrew Nikitin31 Mar 2014, 15:44
Re: Postscript code for making Bygrave ScalesMarcelo S31 Mar 2014, 14:47
Postscript code for making Bygrave ScalesRobin Stuart29 Mar 2014, 15:52
Flat Bygrave alternative configurationRobin Stuart9 Mar 2014, 19:25
Bygrave slide rule, a compendium of postsGary LaPook4 Mar 2014, 21:32
Re: Re:the flat BygraveGary LaPook22 Feb 2014, 18:02
Re:the flat BygraveSean C22 Feb 2014, 12:50
Re:the flat BygraveDavid Cortes22 Feb 2014, 12:43
Re: Japanese Bygrave slider rule on EbayFrancis Upchurch13 Jan 2014, 11:24
Re: Japanese Bygrave slider rule on EbayGary LaPook13 Jan 2014, 02:10
Re: Japanese Bygrave slider rule on EbayMike Mayer12 Jan 2014, 22:58
Re: Japanese Bygrave slider rule on EbayTom Sult12 Jan 2014, 19:59
Re: Japanese Bygrave slider rule on EbayFrank Reed12 Jan 2014, 19:53
Re: Japanese Bygrave slider rule on EbayTom Sult12 Jan 2014, 19:29
Re: Japanese Bygrave slider rule on EbayGreg Licfi12 Jan 2014, 19:19
Re: Japanese Bygrave slider rule on EbayBrad Morris12 Jan 2014, 18:01
Re: Japanese Bygrave slider rule on EbayEric van der Veen12 Jan 2014, 14:38
Re: Japanese Bygrave slider rule on EbayHewitt Schlereth11 Jan 2014, 22:25
Re: Japanese Bygrave slider rule on EbayGary LaPook11 Jan 2014, 21:51
Re: Japanese Bygrave slider rule on EbayAlan S10 Jan 2014, 00:05
Re: Japanese Bygrave slider rule on EbayFrank Reed9 Jan 2014, 23:05
Re: Japanese Bygrave slider rule on EbayAlan S9 Jan 2014, 21:57
Re: Japanese Bygrave slider rule on EbayAlan S9 Jan 2014, 21:44
Re: Japanese Bygrave slider rule on EbayGary LaPook9 Jan 2014, 09:08
Re: Japanese Bygrave slider rule on EbayBrad Morris9 Jan 2014, 08:02
Re: Japanese Bygrave slider rule on EbayBill B9 Jan 2014, 07:44
Re: Japanese Bygrave slider rule on EbayBrad Morris9 Jan 2014, 06:17
Re: Japanese Bygrave slider rule on EbayAlan S9 Jan 2014, 05:38
Re: Japanese Bygrave slider rule on EbayBrad Morris9 Jan 2014, 01:06
Re: Japanese Bygrave slider rule on EbayGary LaPook9 Jan 2014, 00:07
Re: Japanese Bygrave slider rule on EbayBrad Morris8 Jan 2014, 23:57
Re: Japanese Bygrave slider rule on EbayAlan S8 Jan 2014, 20:26
Re: Japanese Bygrave slider rule on EbayGary LaPook8 Jan 2014, 17:33
Re: Japanese Bygrave slider rule on EbayGary LaPook8 Jan 2014, 17:30
Japanese Bygrave slider rule on EbayEric van der Veen8 Jan 2014, 10:22
Re: All Bygrave slide rule postsGary LaPook6 Jan 2014, 08:26
Re: All Bygrave slide rule postsGary LaPook6 Jan 2014, 06:57
Re: All Bygrave slide rule postsGary LaPook6 Jan 2014, 06:00
All Bygrave slide rule postsFrank Reed5 Jan 2014, 07:27
Re: Bygrave to clear lunars.Francis Upchurch7 Dec 2013, 05:46
Re: Bygrave to clear lunars.Francis Upchurch7 Dec 2013, 05:10
Re: Bygrave to clear lunars.Frank Reed6 Dec 2013, 21:44
Re: Bygrave to clear lunars.Frank Reed6 Dec 2013, 18:46
Re: Bygrave to clear lunars.Francis Upchurch6 Dec 2013, 10:53
Re: Bygrave to clear lunars.Geoffrey Kolbe6 Dec 2013, 06:11
Re: Bygrave to clear lunars.Frank Reed5 Dec 2013, 21:14
Bygrave to clear lunars.Francis Upchurch4 Dec 2013, 11:24
Re: Ruminatons on Bygrave and Hohenrechenschieber scale markingsBrad Morris24 Feb 2013, 23:09
Re: Ruminatons on Bygrave and Hohenrechenschieber scale markingsRobin Stuart24 Feb 2013, 19:44
Re: Ruminatons on Bygrave and Hohenrechenschieberscale markingsBrad Morris24 Feb 2013, 19:13
Re: Ruminatons on Bygrave and Hohenrechenschieber scale markingsRobin Stuart24 Feb 2013, 17:46
Re: Ruminatons on Bygrave and Hohenrechenschieber scale markingsRobin Stuart24 Feb 2013, 17:13
Re: Ruminatons on Bygrave and Hohenrechenschieberscale markingsBrad Morris18 Feb 2013, 18:05
Re: Bygrave Locking DeviceRobin Stuart18 Feb 2013, 16:27
Re: Ruminatons on Bygrave and Hohenrechenschieber scale markingsRobin Stuart18 Feb 2013, 15:59
Ruminatons on Bygrave and Hohenrechenschieber scale markingsBrad Morris18 Feb 2013, 07:14
Re: Ruminations on Bygrave and Hohenrechenschieber scale markingsBrad Morris11 Feb 2013, 16:29
Re: Bygrave Locking DeviceBrad Morris11 Feb 2013, 01:24
Bygrave Locking DeviceGary LaPook11 Feb 2013, 01:16
Bygrave Locking DeviceGary LaPook11 Feb 2013, 01:08
Ruminations on Bygrave and Hohenrechenschieber scale markingsRobin Stuart10 Feb 2013, 16:49
Re: Bygrave Scale LengthsBrad Morris31 Jan 2013, 11:47
Re: Bygrave Scale LengthsBrad Morris31 Jan 2013, 11:45
Re: Bygrave Scale Lengths-HR2 scalesBrad Morris31 Jan 2013, 11:33
Re: Bygrave Scale Lengths-HR2 scalesGary LaPook31 Jan 2013, 10:38
Re: Bygrave Scale Lengths-HR2 scalesGary LaPook31 Jan 2013, 10:22
Re: Bygrave Scale LengthsGary LaPook31 Jan 2013, 09:05
Re: Bygrave Scale LengthsGary LaPook31 Jan 2013, 08:59
Re: Bygrave Scale LengthsRonald van Riet31 Jan 2013, 08:41
Re: Bygrave Scale LengthsBrad Morris31 Jan 2013, 01:56
Re: Bygrave Scale LengthsGary LaPook30 Jan 2013, 23:33
Re: Bygrave Scale LengthsGary LaPook30 Jan 2013, 23:21
Re: Bygrave Scale LengthsHewitt Schlereth30 Jan 2013, 20:16
Re: Bygrave Scale LengthsHewitt Schlereth30 Jan 2013, 19:53
Re: Bygrave Scale LengthsWolfgang Hasper30 Jan 2013, 19:41
Re: Bygrave Scale LengthsBrad Morris30 Jan 2013, 19:40
Re: Bygrave Scale LengthsHewitt Schlereth30 Jan 2013, 19:03
Re: Bygrave Scale LengthsBrad Morris30 Jan 2013, 14:19
Re: Bygrave Scale LengthsGary LaPook30 Jan 2013, 05:41
Re: Bygrave Scale LengthsGary LaPook30 Jan 2013, 05:37
Re: Bygrave Scale LengthsGary LaPook29 Jan 2013, 08:57
Re: Bygrave Scale LengthsGary LaPook29 Jan 2013, 08:48
Re: Bygrave Scale LengthsGary LaPook29 Jan 2013, 05:31
Bygrave Scale LengthsBrad Morris29 Jan 2013, 02:35
Re: recommendation for slide rule ? BygraveAlan S23 May 2012, 22:16
Re: recommendation for slide rule ? BygraveHewitt Schlereth23 May 2012, 20:01
Re: recommendation for slide rule ? BygraveGreg Rudzinski22 May 2012, 22:03
Re: recommendation for slide rule ? BygraveAlan S22 May 2012, 21:39
Bygrave at NASMGary LaPook16 Apr 2012, 10:16
Re: on Bygrave and or cylindrical slide rulesRonald van Riet20 Dec 2011, 13:35
On Bygrave and or cylindrical slide rulesAlan S19 Dec 2011, 18:59
Re: Manufacture of BygravesAlan S18 Dec 2011, 17:42
Re: BygraveHanno Ix24 Apr 2011, 21:56
Re: BygraveHanno Ix18 Apr 2011, 18:31
Re: BygraveHanno Ix15 Apr 2011, 17:45
Re: BygraveWolfgang Hasper14 Apr 2011, 19:32
Re: BygraveWolfgang Hasper12 Apr 2011, 16:36
Re: BygraveRobin Stuart11 Apr 2011, 23:08
Re: BygraveHanno Ix11 Apr 2011, 16:14
Re: BygraveWolfgang Hasper10 Apr 2011, 19:25
Re: BygraveGreg Rudzinski9 Apr 2011, 23:50
Re: BygraveHanno Ix9 Apr 2011, 23:36
Re: BygraveGreg Rudzinski9 Apr 2011, 00:34
Re: BygraveGreg Rudzinski9 Apr 2011, 00:21
BygraveHanno Ix8 Apr 2011, 23:33
Bygrave slide ruleSteve Whiteside17 Nov 2010, 23:12
Re: Self contained long term celnav with Bygrave slide ruleGary LaPook5 Oct 2010, 09:38
Re: New compact backup CELNAV system RENAMED Accuracy ofBygrave Slide RuleGary LaPook4 Oct 2010, 20:16
Re: New compact backup CELNAV system RENAMED Accuracy of Bygrave SlideRuleGary LaPook3 Oct 2010, 08:11
Re: Self contained long term celnav with Bygrave slide ruleAntoine Couëtte2 Oct 2010, 13:38
Self contained long term celnav with Bygrave slide ruleGary LaPook2 Oct 2010, 08:17
Re: Bygrave revised rules for converting azimuth angle to ZnGary LaPook13 Jul 2010, 04:21
Re: Bygrave revised rules for converting azimuth angleto ZnGary LaPook12 Jul 2010, 10:49
Re: Bygrave revised rules for converting azimuth angleto ZnGary LaPook12 Jul 2010, 10:47
Bygrave revised rules for converting azimuth angle to ZnGary LaPook12 Jul 2010, 03:55
Re: Another cylindrical bygraveHein Bodahl25 Feb 2010, 10:06
Re: Another cylindrical bygraveHanno Ix24 Feb 2010, 20:41
Re: Another cylindrical bygraveHein Bodahl24 Feb 2010, 12:32
Re: Another cylindrical bygraveHanno Ix23 Feb 2010, 01:30
Re: Another cylindrical bygraveDouglas Denny22 Feb 2010, 20:23
Re: Another cylindrical bygraveHein Bodahl22 Feb 2010, 12:50
Re: Another cylindrical bygraveHanno Ix20 Feb 2010, 22:03
Re: Scales used on BygraveDouglas Denny20 Feb 2010, 01:10
Re: Scales used on BygraveWolfgang Hasper19 Feb 2010, 20:31
Scales used on BygraveGary LaPook19 Feb 2010, 00:35
Computing azimuth with the Bygrave in special cases.Gary LaPook9 Feb 2010, 12:52
Re: A simpler Bygrave ?Hanno Ix9 Feb 2010, 05:38
Re: A simpler Bygrave ?Wolfgang Hasper8 Feb 2010, 18:38
Re: A simpler Bygrave ?Brad Morris8 Feb 2010, 14:12
Re: A simpler Bygrave ?Hanno Ix7 Feb 2010, 22:43
Re: A simpler Bygrave ? - corr.Hanno Ix6 Feb 2010, 16:08
A simpler Bygrave ?Hanno Ix6 Feb 2010, 00:43
Re: Another cylindrical bygraveGary LaPook23 Jan 2010, 05:09
Re: Another cylindrical bygraveGary LaPook22 Jan 2010, 07:59
Another cylindrical bygraveHein Bodahl21 Jan 2010, 13:26
Re: wrapped BygraveHanno Ix19 Jan 2010, 02:34
Re: wrapped BygraveHanno Ix18 Jan 2010, 19:15
Re: wrapped BygraveWolfgang Hasper18 Jan 2010, 18:33
Re: wrapped BygraveWolfgang Hasper18 Jan 2010, 18:28
Re: wrapped BygraveDouglas Denny18 Jan 2010, 04:55
Re: wrapped BygraveBrad Morris17 Jan 2010, 22:14
Re: wrapped BygraveAl Szymanski17 Jan 2010, 21:39
Re: wrapped BygraveDouglas Denny17 Jan 2010, 21:00
Re: wrapped BygraveBill Morris17 Jan 2010, 19:37
Wrapped BygraveWolfgang Hasper17 Jan 2010, 16:41
Re: Bygrave and MHR-1 locking mechanism constructionBrad Morris2 Oct 2009, 14:09
Re: Bygrave and MHR-1 locking mechanism constructionGary LaPook2 Oct 2009, 10:25
Re: Bygrave and MHR-1 locking mechanism constructionGary LaPook1 Oct 2009, 22:43
Re: Bygrave and MHR-1 locking mechanism constructionBrad Morris1 Oct 2009, 18:49
Re: Bygrave and MHR-1 locking mechanism constructionWolfgang Hasper1 Oct 2009, 18:19
Bygrave and MHR-1 locking mechanism constructionGary LaPook30 Sep 2009, 01:55
Bygrave and AquinoGary LaPook6 Sep 2009, 15:21
Re: Manufacture of BygravesTom Sult18 Aug 2009, 02:32
Re: Manufacture of BygravesGary LaPook17 Aug 2009, 21:43
Re: Manufacture of BygravesBrad Morris9 Aug 2009, 18:19
Re: Manufacture of BygravesGary LaPook9 Aug 2009, 07:50
Re: Manufacture of BygravesGary LaPook9 Aug 2009, 07:39
Re: Manufacture of BygravesWolfgang Köberer9 Aug 2009, 07:34
Re: Manufacture of BygravesHanno Ix9 Aug 2009, 04:41
Re: Manufacture of BygravesBrad Morris9 Aug 2009, 03:19
Manufacture of BygravesGary LaPook6 Aug 2009, 03:19
Re: Bygrave and ChichesterGary LaPook5 Aug 2009, 22:39
Re: Bygrave and ChichesterChristian Scheele5 Aug 2009, 18:59
Re: The BygraveHanno Ix5 Aug 2009, 16:16
Re: The BygraveDouglas Denny5 Aug 2009, 13:44
Re: The BygraveHanno Ix5 Aug 2009, 01:29
Re: The BygraveDouglas Denny4 Aug 2009, 23:43
Re: Bygrave and ChichesterGary LaPook3 Aug 2009, 17:14
Re: Bygrave and ChichesterChristian Scheele3 Aug 2009, 13:22
Re: Bygrave and ChichesterGary LaPook3 Aug 2009, 08:43
Re: Bygrave and ChichesterGary LaPook3 Aug 2009, 08:22
Re: Bygrave and ChichesterGreg R_3 Aug 2009, 02:27
Re: Bygrave and ChichesterGary LaPook2 Aug 2009, 23:44
Re: Bygrave and ChichesterGary LaPook2 Aug 2009, 23:27
Re: Bygrave and ChichesterTom Sult2 Aug 2009, 23:11
Re: Bygrave and ChichesterGary LaPook2 Aug 2009, 23:03
Re: Bygrave and ChichesterGreg Rudzinski2 Aug 2009, 22:28
Re: Bygrave and ChichesterTom Sult2 Aug 2009, 21:38
Re: Bygrave and ChichesterGreg R_2 Aug 2009, 20:58
Re: Bygrave and ChichesterGreg Rudzinski2 Aug 2009, 19:16
Re: Bygrave and ChichesterGary LaPook2 Aug 2009, 18:18
Re: Bygrave and ChichesterHewitt Schlereth2 Aug 2009, 17:08
Re: Bygrave and ChichesterGary LaPook2 Aug 2009, 16:03
Re: Bygrave and ChichesterGary LaPook2 Aug 2009, 15:57
Re: Bygrave and ChichesterGary LaPook2 Aug 2009, 15:35
Re: Bygrave and ChichesterPaul Brewer1 Aug 2009, 22:38
Re: Bygrave and ChichesterDouglas Denny1 Aug 2009, 17:35
Re: Bygrave and ChichesterTom Sult1 Aug 2009, 16:26
Re: The BygraveHanno Ix1 Aug 2009, 03:40
Re: The BygraveHanno Ix1 Aug 2009, 03:38
Bygrave and ChichesterGary LaPook1 Aug 2009, 01:59
Re: The BygraveGary LaPook1 Aug 2009, 00:24
Re: The BygraveGary LaPook1 Aug 2009, 00:23
Re: The BygraveHanno Ix26 Jul 2009, 21:37
Re: The BygraveBrad Morris26 Jul 2009, 17:20
Re: The BygraveGary LaPook26 Jul 2009, 17:03
Re: The BygraveHanno Ix26 Jul 2009, 16:31
Re: The BygraveHanno Ix26 Jul 2009, 16:12
Re: The BygraveW F Jones26 Jul 2009, 12:10
Re: The BygraveBrad Morris26 Jul 2009, 02:55
Re: The BygraveHanno Ix25 Jul 2009, 18:54
Re: The BygraveHanno Ix25 Jul 2009, 18:45
Re: The BygraveBrad Morris25 Jul 2009, 18:02
Re: The BygraveBrad Morris25 Jul 2009, 17:41
Re: The BygraveHanno Ix25 Jul 2009, 02:24
Re: The BygraveHanno Ix24 Jul 2009, 22:54
Re: The BygraveBrad Morris24 Jul 2009, 15:53
Re: The BygraveHanno Ix24 Jul 2009, 15:36
Re: The BygraveHein Bodahl24 Jul 2009, 07:09
Re: The BygraveDave Walden23 Jul 2009, 23:41
Re: The BygraveHanno Ix23 Jul 2009, 23:30
Re: The BygraveDave Walden23 Jul 2009, 19:00
Re: The BygraveAndrew Corl23 Jul 2009, 18:25
Re: The BygraveHanno Ix23 Jul 2009, 18:17
Re: The BygraveDave Walden23 Jul 2009, 02:15
Re: The BygraveGary LaPook23 Jul 2009, 00:27
Re: BygravesHewitt Schlereth22 Jul 2009, 15:56
Re: BygravesBrad Morris22 Jul 2009, 14:31
Re: BygravesRob M22 Jul 2009, 13:57
Re: BygravesHanno Ix21 Jul 2009, 17:18
Re: BygravesMartin T21 Jul 2009, 16:24
Re: BygravesHanno Ix18 Jul 2009, 18:36
Re: BygravesBill Morris17 Jul 2009, 02:59
Re: BygravesHanno Ix17 Jul 2009, 00:29
Re: BygravesGary LaPook16 Jul 2009, 23:45
Re: BygravesBrad Morris16 Jul 2009, 19:50
BygravesHanno Ix16 Jul 2009, 18:09
Re: Manufacture new Bygraves?Hanno Ix10 Jul 2009, 23:01
Re: Manufacture new Bygraves?Gary LaPook10 Jul 2009, 22:43
Re: Manufacture new Bygraves?Gary LaPook10 Jul 2009, 21:06
Re: Manufacture new Bygraves?Hanno Ix10 Jul 2009, 18:13
Re: Manufacture new Bygraves?Richard M Pisko10 Jul 2009, 04:13
Re: Manufacture new Bygraves?Gary LaPook10 Jul 2009, 03:50
Re: Manufacture new Bygraves?Gary LaPook10 Jul 2009, 03:24
Re: Manufacture new Bygraves?Gary LaPook10 Jul 2009, 03:06
Re: Manufacture new Bygraves?Bill Morris10 Jul 2009, 02:36
Re: Manufacture new Bygraves?Thomas Kleemann9 Jul 2009, 23:23
Re: Manufacture new Bygraves?Thomas Kleemann9 Jul 2009, 22:50
Re: Manufacture new Bygraves?NavList Messages9 Jul 2009, 20:31
Re: Manufacture new Bygraves?Brad Morris9 Jul 2009, 20:04
Re: Manufacture new Bygraves?Geoffrey Kolbe9 Jul 2009, 19:32
Re: Manufacture new Bygraves?Brad Morris9 Jul 2009, 19:01
Re: Manufacture new Bygraves?Gary LaPook9 Jul 2009, 18:26
Re: Manufacture new Bygraves?Brad Morris9 Jul 2009, 13:23
Re: Manufacture new Bygraves?Brad Morris9 Jul 2009, 13:16
Re: Manufacture new Bygraves?Gary LaPook9 Jul 2009, 11:05
Re: Manufacture new Bygraves?Bill Morris9 Jul 2009, 05:55
Re: Manufacture new Bygraves?Gary LaPook9 Jul 2009, 03:19
Re: Manufacture new Bygraves?Hanno Ix9 Jul 2009, 01:59
Re: Manufacture new Bygraves?Thomas Kleemann8 Jul 2009, 21:21
Re: Bygrave formula accuracy on 10 inch slide ruleHanno Ix8 Jul 2009, 17:05
Re: The BygraveHanno Ix8 Jul 2009, 16:53
Re: Accuracy of BygraveGary LaPook8 Jul 2009, 05:47
Re: Bygrave formula accuracy on 10 inch slide ruleGary LaPook8 Jul 2009, 05:06
Re: The BygraveGary LaPook8 Jul 2009, 01:55
Re: The BygraveHanno Ix8 Jul 2009, 00:01
Re: Manufacture new Bygraves?Ken Gebhart7 Jul 2009, 13:43
Re: Manufacture new Bygraves?Brad Morris7 Jul 2009, 13:16
Re: Manufacture new Bygraves?Brad Morris7 Jul 2009, 13:14
Re: The BygraveGary LaPook7 Jul 2009, 05:28
Re: The BygraveFrank Reed7 Jul 2009, 03:10
Re: Accuracy of BygraveKen Gebhart7 Jul 2009, 02:50
Bygrave formula accuracy on 10 inch slide rulePaul Hirose6 Jul 2009, 22:19
Re: Accuracy of BygraveGary LaPook6 Jul 2009, 19:28
Re: Accuracy of BygraveGary LaPook6 Jul 2009, 18:01
Re: Accuracy of BygraveGeorge Huxtable6 Jul 2009, 08:59
Re: Manufacture new Bygraves?Bill B6 Jul 2009, 08:55
Re: Accuracy of BygraveGary LaPook6 Jul 2009, 07:05
Re: Accuracy of BygraveGary LaPook6 Jul 2009, 06:24
Accuracy of BygraveGary LaPook6 Jul 2009, 05:49
Re: Manufacture new Bygraves?Gary LaPook6 Jul 2009, 05:34
Re: Manufacture new Bygraves?Hanno Ix6 Jul 2009, 03:46
Re: Manufacture new Bygraves?Gary LaPook5 Jul 2009, 14:28
Re: The BygraveGary LaPook5 Jul 2009, 14:00
Re: The BygraveDouglas Denny5 Jul 2009, 02:01
Re: Manufacture new Bygraves?Gary LaPook4 Jul 2009, 20:59
Re: Manufacture new Bygraves?Ken Gebhart4 Jul 2009, 18:50
Re: Manufacture new Bygraves?Peter Fogg4 Jul 2009, 01:33
Re: The BygraveFrank Reed4 Jul 2009, 00:41
Re: Manufacture new Bygraves?Frank Reed3 Jul 2009, 23:49
Re: Manufacture new Bygraves?Gary LaPook3 Jul 2009, 20:32
Re: Manufacture new Bygraves?Gary LaPook3 Jul 2009, 20:29
Re: Manufacture new Bygraves?Gary LaPook3 Jul 2009, 20:02
Re: Manufacture new Bygraves?Tom Sult3 Jul 2009, 18:45
Re: Manufacture new Bygraves?Hanno Ix3 Jul 2009, 18:20
Re: Manufacture new Bygraves?Greg Rudzinski3 Jul 2009, 16:40
Re: Manufacture new Bygraves?Tom Sult3 Jul 2009, 15:12
Re: Manufacture new Bygraves?Douglas Denny3 Jul 2009, 08:11
Re: Manufacture new Bygraves?Bill Morris3 Jul 2009, 07:18
Re: The BygraveTom Sult2 Jul 2009, 13:43
Re: The BygraveFrank Reed2 Jul 2009, 10:48
Re: The BygraveDouglas Denny2 Jul 2009, 08:22
Re: The BygraveDouglas Denny1 Jul 2009, 21:41
Re: The BygraveHanno Ix30 Jun 2009, 18:36
Re: The BygraveHanno Ix30 Jun 2009, 18:31
Re: The BygraveRonald van Riet30 Jun 2009, 09:44
Re: The BygraveBill B30 Jun 2009, 05:21
Re: The BygraveWolfgang Köberer29 Jun 2009, 19:03
Re: The BygraveDouglas Denny29 Jun 2009, 18:21
The BygraveBrad Morris29 Jun 2009, 18:00
Visual BygraveBrad Morris18 Jun 2009, 17:24
Re: Manufacture new Bygraves?Gary LaPook17 Jun 2009, 18:33
Re: Manufacture new Bygraves?Brad Morris17 Jun 2009, 14:28
Re: Manufacture new Bygraves?Gary LaPook17 Jun 2009, 00:15
Re: Manufacture new Bygraves?Gary LaPook17 Jun 2009, 00:13
Visual Bygrave, using cosine and tangentBrad Morris15 Jun 2009, 14:49
The Visual BygraveBrad Morris15 Jun 2009, 06:40
Re: The Bygrave Slide RuleGary LaPook2 Jun 2009, 11:36
Re: The Bygrave Slide RuleDouglas Denny30 May 2009, 22:27
The Bygrave Slide RuleNavList Messages30 May 2009, 06:31
Re: The Bygrave Slide ruleGary LaPook30 May 2009, 01:24
The Bygrave Slide ruleNavList Messages29 May 2009, 21:39
Re: The Bygrave Slide ruleBrad Morris29 May 2009, 17:36
The Bygrave Slide ruleNavList Messages29 May 2009, 09:46
Re: The Bygrave Slide RuleBrad Morris29 May 2009, 00:20
Re: The Bygrave Slide RuleGary LaPook28 May 2009, 19:35
The Bygrave Slide RuleNavList Messages28 May 2009, 18:32
Re: The Bygrave Slide RuleGary LaPook28 May 2009, 11:23
Re: The Bygrave Slide RuleRonald van Riet28 May 2009, 08:45
The Bygrave Slide RuleNavList Messages27 May 2009, 21:57
Re: Manufacture new Bygraves?Brad Morris23 May 2009, 18:53
Re: Manufacture new Bygraves?Greg Rudzinski23 May 2009, 18:18
Manufacture new Bygraves?Frank Reed23 May 2009, 17:27
Re: recommendation for slide rule ? BygraveDave Walden23 May 2009, 00:17
Re: recommendation for slide rule ? BygraveGary LaPook22 May 2009, 07:35
Re: recommendation for slide rule ? BygraveGary LaPook22 May 2009, 05:20
Re: recommendation for slide rule ? BygraveJames N Wilson22 May 2009, 00:15
Re: recommendation for slide rule ? BygraveBruce Hamilton21 May 2009, 06:01
Re: New compact backup CELNAV system RENAMED Accuracyof Bygrave Slide RuleBrad Morris15 Apr 2009, 23:53
Re: New compact backup CELNAV system RENAMED Accuracyof Bygrave Slide RuleBrad Morris15 Apr 2009, 13:38
Re: New compact backup CELNAV system RENAMED Accuracyof Bygrave Slide RuleFrank Reed15 Apr 2009, 05:10
Re: New compact backup CELNAV system RENAMED Accuracyof Bygrave Slide RuleGary LaPook14 Apr 2009, 23:25
Re: New compact backup CELNAV system RENAMED Accuracyof Bygrave Slide RuleGary LaPook14 Apr 2009, 22:28
Re: New compact backup CELNAV system RENAMED Accuracyof Bygrave Slide RuleBrad Morris13 Apr 2009, 13:56
Re: New compact backup CELNAV system RENAMED Accuracyof Bygrave Slide RuleBrad Morris11 Apr 2009, 23:48
Re: New compact backup CELNAV system RENAMED Accuracyof Bygrave Slide RuleGary LaPook11 Apr 2009, 07:52
Re: New compact backup CELNAV system RENAMED Accuracyof Bygrave Slide RuleGary LaPook11 Apr 2009, 07:19
Re: New compact backup CELNAV system RENAMED Accuracyof Bygrave Slide RuleBrad Morris11 Apr 2009, 01:40
Re: Bygrave slide rule , o-rings, circular slide rulesNavList28 Dec 2008, 16:25
Re: Position Line Slide Rules: Bygrave, HR1, HR2, MHR1Ronald van Riet1 Oct 2008, 06:54
Position Line Slide Rules: Bygrave, HR1, HR2, MHR1Ronald van Riet30 Sep 2008, 07:24
Re: Bygrave slide ruleBruce Hamilton28 Sep 2008, 02:30
Bygrave slide ruleGary LaPook27 Sep 2008, 11:01
Re: Bygrave slide rule , o-rings, circular slide rulesRonald van Riet15 Jun 2008, 21:29
Re: Bygrave slide rule , o-rings, circular slide rulesGary LaPook15 Jun 2008, 12:29
Re: Bygrave slide rule , o-rings, circular slide rulesGeoffrey Kolbe15 Jun 2008, 10:33
Bygrave slide rule , o-rings, circular slide rulesBruce Hamilton15 Jun 2008, 06:39
Re: Bygrave slide ruleJohn Rae12 Dec 2005, 02:53
Re: Bygrave slide ruleZvi Doron11 Dec 2005, 13:44
Bygrave slide ruleWillem Piccer11 Dec 2005, 13:00
Re: Bygrave position line slide ruleZvi Doron18 Mar 2004, 22:14
Re: Bygrave position line slide ruleWolfgang Köberer1 Mar 2004, 19:28
Re: Bygrave position line slide ruleZvi Doron29 Feb 2004, 09:00
Re: Bygrave position line slide ruleDan Allen29 Feb 2004, 04:48
Bygrave position line slide ruleZvi Doron28 Feb 2004, 16:01

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