… date marker actuated by the clock movement, a hammer and an inking ribbon. The employee inserts his card in the machine … or stamping the revolving dial, or by printing with an inking tape on a paper strip. (4) Pigeon‑timers for …
… of these three types of appliances consist mainly of grips linked to levers, adjustable counterweights, devices for … and extension of the knee and hip. (5) Apparatus for trunk exercises. (6) Apparatus for walking exercises, …
