Search results
Results from the WOW.Com Content Network
A simple dumbwaiter is a movable frame in a shaft, dropped by a rope on a pulley, guided by rails; most dumbwaiters have a shaft, cart, and capacity smaller than those of passenger elevators, usually 45 to 450 kg (100 to 992 lbs.) [2] Before electric motors were added in the 1920s, dumbwaiters were controlled manually by ropes on pulleys.
Jefferson never had a lazy Susan at Monticello, but he did construct a box-shaped rotating book stand and, as part of serving "in the French style", employed a revolving dining-room door whose reverse side supported a number of shelves. [9]). By the 1840s, Americans were applying the term to small lifts carrying food between floors as well. [1]
What links here; Related changes; Upload file; Special pages; Permanent link; Page information; Cite this page; Get shortened URL; Download QR code
For premium support please call: 800-290-4726 more ways to reach us
A simple crane. A counterweight is a weight that, by applying an opposite force, provides balance and stability of a mechanical system. [1] The purpose of a counterweight is to make lifting the load faster and more efficient, which saves energy and causes less wear and tear on the lifting machine.
The dumb waiter of the title refers to the serving hatch and food lift that delivers orders to the gunmen. It could also refer to Gus, who fails to realise that he is waiting to be the victim, or even to Ben, whose obedience to a higher authority eventually forces him to eliminate his partner.
This page was last edited on 4 December 2023, at 04:15 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
George W. Cannon was an American inventor from New York.He is best known for the invention of the mechanical dumbwaiter.Cannon first filed for the patent of a brake system (US Patent no. 260776) that could be used for a dumbwaiter on January 6, 1883. [1]