NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Oil for sextant
From: Fred Hebard
Date: 2006 Aug 29, 21:00 -0500
I believe Celestaire sells a product similar to whale oil.
Fred Hebard
On Aug 29, 2006, at 8:22 PM, Geoff Butt wrote:
>
> Are there any views on the specification of oil to be used for
> lubricating a
> traditional metal sextant?
> I have a Hughes 'Husun' instrument made in the 50s. Its original
> wooden case
> has space for a small bottle of oil - now missing - and a printed
> instruction only to use that!
> A couple of years ago I cleaned and lubricated the sextant with 'light
> machine oil' which seemed to become viscous (oxidised?) quite quickly,
> making the instrument less easy to use smoothly.
> Would thin synthetic oil be more appropriate?
>
> Geoff Butt
>
>
> >
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From: Fred Hebard
Date: 2006 Aug 29, 21:00 -0500
I believe Celestaire sells a product similar to whale oil.
Fred Hebard
On Aug 29, 2006, at 8:22 PM, Geoff Butt wrote:
>
> Are there any views on the specification of oil to be used for
> lubricating a
> traditional metal sextant?
> I have a Hughes 'Husun' instrument made in the 50s. Its original
> wooden case
> has space for a small bottle of oil - now missing - and a printed
> instruction only to use that!
> A couple of years ago I cleaned and lubricated the sextant with 'light
> machine oil' which seemed to become viscous (oxidised?) quite quickly,
> making the instrument less easy to use smoothly.
> Would thin synthetic oil be more appropriate?
>
> Geoff Butt
>
>
> >
--~--~---------~--~----~------------~-------~--~----~
To post to this group, send email to NavList@fer3.com
To , send email to NavList-@fer3.com
-~----------~----~----~----~------~----~------~--~---
