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In 1912, commercial engineer Edmund F. Tweedy and electrical engineer Arthur Williams co-authored a book titled Commercial Engineering for Central Stations. [36] He followed Bolton's lead and developed a "Chart for determining the number and size of elevators required for office buildings of a given total occupied floor area".
This list of skyscrapers by floor area includes the largest skyscrapers in the world, measured in square meters (m 2) and square feet (sq ft). To qualify as a skyscraper, a structure must be self-supporting, without relying on tension cables or external supports for stability, and must reach a minimum height of 150 meters (492 feet).
Dimensions; Other dimensions ... Inside, the elevators would ascend 167 feet (51 m) from the 86th-floor ... 1931, a small commercial United States Navy airship ...
1918 Alberta Pacific elevator (right) and 1968 Federal Grain elevator. The 1968 65,000-imperial-bushel (2,400 m 3) Federal Grain elevator measures 38 × 44 × 66 feet (12 × 13 × 20 m), with an electronic scale and an exterior loading spout for trucks. It was among the last elevators built according to the traditional design, before the single ...
Since the drive system is completely housed in the elevator shaft, no machine room is required and the control system is small enough to fit into a cabinet on a wall near the elevator. For hydraulic systems with holes, the cylinder must extend to the depth of the floor corresponding to the feet of the elevator, while hydraulic systems without ...
The Aichi small-elevator manufacturing corporation is a manufacturer of vertical transportation systems, mainly elevators and Dumbwaiters. Founded in Aichi , Japan in 1969. Aichi small-elevator manufacturing corporation makes a speciality of small elevators, dumbwaiter and passenger lifts beside staircases.
This is a list of inclined elevators, organised by place within country and region. An inclined elevator is distinguished from the similar funicular railway in that its cars operate independently whereas funiculars are composed of two vehicles that synchronously counterbalance one another.
Retail buildings are categorized by their configuration and size [5] Interior view of a shopping mall in Chattanooga, Tennessee, U.S. Non-freestanding (also known as shopping centers or shopping malls) Super-regional shopping center: enclosed space; 800,000+ sqft; 5+ anchor stores with other tenants that sell a very large variety of goods