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Re: Recording sextant (maybe octant)?
From: Noell Wilson
Date: 2021 Jul 11, 06:53 -0700
From: Noell Wilson
Date: 2021 Jul 11, 06:53 -0700
It sounds like a ball recording sextant. I think balls were dropped onto a pressure sensitive paper that recorded a mark. The ball pattern was averaged to get a reading. From what I’ve read, it didn’t work well in practice and was not widely used.
https://hydrography.pro/presta17/quadrant-astrolabe/317-ball-recording-sextant-mk-1.html
Made by Mergenthaler Linotype Corp
Regards, Noell
