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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.
At some point during or before the third quarter of the 18th century, the name dumb waiter also began to be applied to rotating trays. [1] 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 ...
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The 16 Divisions of construction, as defined by the Construction Specifications Institute (CSI)'s MasterFormat, is the most widely used standard for organizing specifications and other written information for commercial and institutional building projects in the U.S. and Canada.
It can also be used in place of Schedule B for classifying goods exported from the United States to foreign countries. [1] The Harmonized Tariff Schedule classifies a good based on its name, use, and/or the material used in its construction and assigns it a ten-digit classification code number, and there are over 17,000 unique classification ...
Montgomery Elevator: Acquired by Kone, Canadian division in 1985 and U.S. division in 1994. Marshall Elevator: Sold to Otis; Schweizerische Aufzügefabrik AG; Thyssen AG: Merged with Krupp and became ThyssenKrupp in 1999, with subsidiary ThyssenKrupp Elevator AG; ThyssenKrupp Elevator AG announced in 2021 a name change and rebranding to TK ...
A dumbwaiter (lit. "silent waiter") is a small freight elevator. Dumbwaiter may also refer to: Lazy Susan, a small rotating table to serve food on a table; The Dumb Waiter, a 1957 one-act play by Harold Pinter; Dumb Waiters, a 1980 album by The Korgis "Dumb Waiters" (song), a 1981 song by the Psychedelic Furs
A merchant category code (MCC) is a four-digit number used for retail financial services to classify a business by the types of goods or services it provides. Codes are specified by the ISO 18245 standard.