4448GD

Adds in one direction. Subtracts in the opposite direction. 2 rev. = 1 metre.
For wheels circumference 500mm.
Max speed 200 metre per min.
Instantaneous zero-setting by means of lever movable on both sides.
Counts up to 9,999.9 metres.
Shaft diameter 7mm.
Digit height 7mm. Base dimensions 120x64mm.

Without wheel.

For wheels see Art. 4453 A-B-C.