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Watchmakers tool?

Started by john k, May 11, 2023, 10:50:14 PM

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john k

May 11, 2023, 10:50:14 PM Last Edit: May 11, 2023, 10:52:23 PM by john k
Auction find, else where in the sale were some watchmaker tools I can identify,   No idea on this one.  In the case is a heavy brass plate, threaded, used as a steady mount maybe.   Positive ID?
Member of PHARTS - Perfect Handle Admiration, Restoration and Torturing Society

t115145

#1
May 12, 2023, 10:26:40 PM
It might be some kind of navigation tool.  It looks like the adjusting screws might be used to compensate for drift.  Maybe used in conjunction with  a sextant or octant?

mikeswrenches

#2
December 29, 2023, 08:32:40 PM
It looks like a planimeter. This is a rabbit hole you may not want to go down.

Mike
Check out my ETSY store at: OldeTymeTools
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