NLM Digital Collections

Vulcanite rubber artificial limbs, arms and legs, moulded from life in form: adjustable sockets, lock-knee joint, slight lateral motion in ankle, corrugated side-knee joint, frictionless toe joint, velvet finish, and warranted of one-third less weight and twice as durable as the best wooden legs in use : without a string or ligament in arm or leg, all levers perfectly water proof