Hand Revolution Counter / Tachometer (0985)
Info
Revolution counter with 2 different contact heads. Steel/Stainless body with the rotating scale made of red copper. On the scale, the outer is for 0 to 100 rev, the inner scale indicates within the 0 to 5000 revs.
The 2-pin key serves to adjust the 0-5000 range.
Inscriptions:
REFORM
100-5000