A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: John Huth
Date: 2011 Dec 14, 16:16 -0500
I doubt that he would be able to keep it warm enough to be liquid. Mercury freezes at -38F, and I am quite sure that it was a bit colder than that.
POS & HQ Requirements (BESR)
Our virtues and our failings are inseparable, like force and matter. When they separate, man is no more." --Nikola Tesla, Austrian-American inventor and engineer
From: email@example.com [mailto:firstname.lastname@example.org] On Behalf Of Apache Runner
Sent: Wednesday, December 14, 2011 2:57 PM
Subject: [NavList] Re: Amundsen at the South Pole
Maybe he was making sure it wasn't frozen or trying to keep it warm?
On Wed, Dec 14, 2011 at 1:23 PM, Paul Werner <email@example.com> wrote:
On top of the box is an artificial horizon not a chronometer.
The explanation in the text is:
"Helmer Hanssen (right) is bending over the artificial horizon, which is a tray of mercury."
Why his is doing that - bending over the tray - I don't know.
Keeping up with the grind