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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, 2019

Index includes 138 messages. Sorted by date, recent messages first.

                    
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 ruleGary LaPook15 Oct 2019, 17:37
Bygrave sliderule for saleGary LaPook25 Mar 2019, 21:16
Re: Gary LaPooks Flat BygraveGary LaPook25 Jun 2018, 07:30
Re: Deriving the Bygrave equationsGary LaPook11 Feb 2018, 06:32
Re: The flat BygraveGary LaPook25 Nov 2016, 19:22
Re: The flat BygraveGary LaPook24 Nov 2016, 19:08
Re: Comments on Bygrave/MHR1 calculationsGary LaPook11 Aug 2016, 21:58
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 calculationsGary LaPook8 Aug 2016, 08:44
Re: Comments on Bygrave/MHR1 calculationsGary LaPook5 Aug 2016, 07:46
Re: Comments on Bygrave/MHR1 calculationsGary LaPook5 Aug 2016, 07:43
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 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 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
Re: Bygrave Special CasesGary LaPook14 Jul 2015, 07:10
Re: Bygrave Special CasesGary LaPook12 Jul 2015, 07:57
Re: Bygrave Special CasesGary LaPook12 Jul 2015, 07:31
Re: Bygrave range of angles?Gary LaPook21 Apr 2015, 19:50
Re: Bygrave range of angles?Gary LaPook21 Apr 2015, 08:31
Re: Flat Bygrave alternative configurationGary LaPook3 Jul 2014, 16:40
Re: Bygrave formulaGary LaPook3 Jul 2014, 07:58
Re: Flat Bygrave alternative configurationGary LaPook17 Jun 2014, 21:57
Re: Flat Bygrave alternative configurationGary LaPook16 Jun 2014, 20:04
Re: Bygrave Patent GB162,895Gary LaPook2 Jun 2014, 05:18
Bygrave slide rule, a compendium of postsGary LaPook4 Mar 2014, 21:32
Re: Re:the flat BygraveGary LaPook22 Feb 2014, 18:02
Re: Japanese Bygrave slider rule on EbayGary LaPook13 Jan 2014, 02:10
Re: Japanese Bygrave slider rule on EbayGary LaPook11 Jan 2014, 21:51
Re: Japanese Bygrave slider rule on EbayGary LaPook9 Jan 2014, 09:08
Re: Japanese Bygrave slider rule on EbayGary LaPook9 Jan 2014, 00:07
Re: Japanese Bygrave slider rule on EbayGary LaPook8 Jan 2014, 17:33
Re: Japanese Bygrave slider rule on EbayGary LaPook8 Jan 2014, 17:30
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
Bygrave Locking DeviceGary LaPook11 Feb 2013, 01:16
Bygrave Locking DeviceGary LaPook11 Feb 2013, 01:08
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 LengthsGary LaPook30 Jan 2013, 23:33
Re: Bygrave Scale LengthsGary LaPook30 Jan 2013, 23:21
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 at NASMGary LaPook16 Apr 2012, 10:16
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
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
Scales used on BygraveGary LaPook19 Feb 2010, 00:35
Computing azimuth with the Bygrave in special cases.Gary LaPook9 Feb 2010, 12:52
Re: Another cylindrical bygraveGary LaPook23 Jan 2010, 05:09
Re: Another cylindrical bygraveGary LaPook22 Jan 2010, 07:59
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
Bygrave and MHR-1 locking mechanism constructionGary LaPook30 Sep 2009, 01:55
Bygrave and AquinoGary LaPook6 Sep 2009, 15:21
Re: Manufacture of BygravesGary LaPook17 Aug 2009, 21:43
Re: Manufacture of BygravesGary LaPook9 Aug 2009, 07:50
Re: Manufacture of BygravesGary LaPook9 Aug 2009, 07:39
Manufacture of BygravesGary LaPook6 Aug 2009, 03:19
Re: Bygrave and ChichesterGary LaPook5 Aug 2009, 22:39
Re: Bygrave and ChichesterGary LaPook3 Aug 2009, 17:14
Re: Bygrave and ChichesterGary LaPook3 Aug 2009, 08:43
Re: Bygrave and ChichesterGary LaPook3 Aug 2009, 08:22
Re: Bygrave and ChichesterGary LaPook2 Aug 2009, 23:44
Re: Bygrave and ChichesterGary LaPook2 Aug 2009, 23:27
Re: Bygrave and ChichesterGary LaPook2 Aug 2009, 23:03
Re: Bygrave and ChichesterGary LaPook2 Aug 2009, 18:18
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
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 BygraveGary LaPook26 Jul 2009, 17:03
Re: The BygraveGary LaPook23 Jul 2009, 00:27
Re: BygravesGary LaPook16 Jul 2009, 23:45
Re: Manufacture new Bygraves?Gary LaPook10 Jul 2009, 22:43
Re: Manufacture new Bygraves?Gary LaPook10 Jul 2009, 21:06
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?Gary LaPook9 Jul 2009, 18:26
Re: Manufacture new Bygraves?Gary LaPook9 Jul 2009, 11:05
Re: Manufacture new Bygraves?Gary LaPook9 Jul 2009, 03:19
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 BygraveGary LaPook7 Jul 2009, 05:28
Re: Accuracy of BygraveGary LaPook6 Jul 2009, 19:28
Re: Accuracy of BygraveGary LaPook6 Jul 2009, 18:01
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?Gary LaPook5 Jul 2009, 14:28
Re: The BygraveGary LaPook5 Jul 2009, 14:00
Re: Manufacture new Bygraves?Gary LaPook4 Jul 2009, 20:59
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?Gary LaPook17 Jun 2009, 18:33
Re: Manufacture new Bygraves?Gary LaPook17 Jun 2009, 00:15
Re: Manufacture new Bygraves?Gary LaPook17 Jun 2009, 00:13
Re: The Bygrave Slide RuleGary LaPook2 Jun 2009, 11:36
Re: The Bygrave Slide ruleGary LaPook30 May 2009, 01:24
Re: The Bygrave Slide RuleGary LaPook28 May 2009, 19:35
Re: The Bygrave Slide RuleGary LaPook28 May 2009, 11:23
Re: recommendation for slide rule ? BygraveGary LaPook22 May 2009, 07:35
Re: recommendation for slide rule ? BygraveGary LaPook22 May 2009, 05:20
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 RuleGary LaPook11 Apr 2009, 07:52
Re: New compact backup CELNAV system RENAMED Accuracyof Bygrave Slide RuleGary LaPook11 Apr 2009, 07:19
Bygrave slide ruleGary LaPook27 Sep 2008, 11:01
Re: Bygrave slide rule , o-rings, circular slide rulesGary LaPook15 Jun 2008, 12:29

Index includes 138 messages.

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