Tachometer/Circumference speed meter with chrono (0911)

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Index: 0911


Year: Around 1930's ?


Maker: Hasler, Bern, Switzerland


Dimensions: 13 x 9 x 3 cm

Info

Tachometer or Linear Speed Meter via the mounted wheel. Pressing the top knob starts the internal timer and at the same time releases the counter mechanism. Not sure, but guess the red scale shows the speed in meters per minute.

The outer scale runs from 0 to 1000 (lack) and from 0 to 100 (red).

Inscriptions:

Hasler
Hasler AG Bern
MADE IN SWITZERLAND
Serial: 161555

References/Links/More Info

Youtube - Lathe rpm test

Instructions (Can-Am machinery)

Images

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Clinometer Gunners Quadrant (0905)