NavList:

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

HOME

Re: star-to-star distances
From: Fred Hebard
Date: 2004 Sep 29, 17:44 -0400

On Sep 29, 2004, at 5:06 PM, Alexandre Eremenko wrote:

> Fred,
> Thank you for your valuable advise.
> Do you use machine oil or vegetable oil?
>
> On Wed, 29 Sep 2004, Fred Hebard wrote:
>
>> Regarding artificial horizons.
>> The Davis horizon works well with oil,
>
> The Russian manual says about "a plate with machine oil
> which an assistant holds in his hands".
> The assistant is probably needed
> to absorb the vibration of the ship's engine!
>
> Alex.

Alex,

I use vegetable oil because it is less objectionable, until it becomes
rancid.  Used motor oil is fairly carcinogenic, but has the virtue of
being black.

Fred

Subject:
Author:
Start date:	(yyyymm dd)
End date:	(yyyymm dd)

NavList:

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

Compose Your Message

NavList

What is NavList?

Get a NavList ID Code

Retrieve a NavList ID Code

Email Settings

Custom Index

Add Images & Files
Name or NavList Code:	Email:

Name:
	(please, no nicknames or handles)
Email:

NavList ID Code: