For sale: Lemo comparateur/measuring tool in wooden box with accessories. This tool is to measure/test the torque (force) and the amount of turns of a barrel with mainspring, can equally be used to measure the slipping moment of the mainspring for automatic watches. This tool is very practical to test mainsprings with barrel before and or after repair/exchange of a mainspring.
The box contains 7 collets and a tool to make adjustments to the meter.
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