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Construction of USS Shenandoah, 1923, showing the framework of a rigid airship. A rigid airship is a type of airship (or dirigible) in which the envelope is supported by an internal framework rather than by being kept in shape by the pressure of the lifting gas within the envelope, as in blimps (also called pressure airships) and semi-rigid airships.
French Engineering Works logo. The French Engineering Works, or FEW, is a manufacturer, exporter and importer of High Speed Steel cutting tools. The firm was founded in Johannesburg, South Africa, in 1918 by Herman Moser to manufacture rock drill spares for the mining industry in Johannesburg.
The Ridge Tool Company is an American manufacturing company that makes and distributes tools under the Ridgid brand name. The company was founded in 1923 in North Ridgeville, Ohio . [ 1 ] In 1943, it relocated to its current location in Elyria, Ohio , and in 1966, it became a wholly owned subsidiary of Emerson Electric .
The mooring, however, proved impossible because of low cloud, so the airship returned to sea for the night. The next day, after a brief speed trial (during which a speed of 71.9 mph (115.7 km/h) was reached), a series of turning trials was started at a speed of 62.7 mph (100.9 km/h) and an altitude of 2,500 ft (760 m). [26]
[4] [5] [6] A 1943 etymology, published in The New York Times , supports a British origin during the First World War when the British were experimenting with lighter-than-air craft. The initial non-rigid aircraft was called the A-limp; and a second version called the B-limp was deemed more satisfactory.
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