Object #55 is a...
Answer: Elevator Governor. This Elevator Governor was taken out of a building from the early 1900’s. A cable would run through the large pulley. If the elevator exceeded 350 feet per minute, the brass balls on top would be forced out through centripetal force which actuated a spring on the bottom. The spring engaged knurled rollers that stopped the cable instantly. Learn more ››
Answer: Elevator Governor. This Elevator Governor was taken out of a building from the early 1900’s. A cable would run through the large pulley. If the elevator exceeded 350 feet per minute, the brass balls on top would be forced out through centripetal force which actuated a spring on the bottom. The spring engaged knurled rollers that stopped the cable instantly. Learn more ››
