Plotter frame piston counter weight for a floating barograph, or self-registering barometer, designed by Alfred King, Liverpool, 1862. Plotter frame piston counter weight 1862
Counterweight for charging collar, 5093204-002 used to counterbalance the deep brain stimulation system’s charger when in situ in the collar, made by Boston Scientific, 2017 - 2018 Counterweight for charging collar 2017-2018
Theratron model B cobalt 60 moving beam radiotherapy machine: Counter balance weight Theratron Radiotherapy Machine - Balance Weight
