Medical Hand grip strength meter (0996)
Info
Old hand grip strength meter existing of a steel/stainless oval frame that must be pressed together. On the inside, a gear rod activates the indicator. There is a free moveable indicator that stays in the maximum position as such indicating the maximum exerted force.
The dial has a scale in kilograms (0 to 90 Kg) and a scale in "TRACTION" from 0 to 220. The scale seems to be made of plated brass.
On the back, the device bears a logo of a discus thrower.