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D&H Distributing was founded as Economy Tire and Rubber, a tire retreading company, established by brothers-in-law David Schwab and Harry Spector. In 1921, the company began selling wholesale parts for automobile service industry, adding crystal radios by 1926 and moving into a distribution capacity by signing with radio manufacturer Philco.
The de Havilland Aircraft Company Limited (/ d ə ˈ h æ v ɪ l ən d /) was a British aviation manufacturer established in late 1920 by Geoffrey de Havilland at Stag Lane Aerodrome Edgware on the outskirts of north London.
Data from De Havilland Aircraft since 1909 General characteristics Crew: Two Capacity: 14 passengers Length: 48 ft 6 in (14.78 m) Wingspan: 71 ft 6 in (21.79 m) Height: 15 ft 7 in (4.75 m) Wing area: 499 sq ft (46.4 m 2) Empty weight: 8,150 lb (3,697 kg) Max takeoff weight: 13,500 lb (6,123 kg) Fuel capacity: 412 imp gal (495 US gal; 1,870 L) Powerplant: 4 × de Havilland Gipsy Queen 30 Mk.2 6 ...
The de Havilland DH.98 Mosquito is a British twin-engined, multirole combat aircraft, introduced during the Second World War.Unusual in that its airframe was constructed mostly of wood, it was nicknamed the "Wooden Wonder", [4] or "Mossie".
Dihydroergotamine (DHE), sold under the brand names D.H.E. 45 and Migranal among others, is an ergot alkaloid used to treat migraines. [7] It is a derivative of ergotamine . It is administered as a nasal spray or injection and has an efficacy similar to that of sumatriptan .
By 1921, enough experience had been gained with operation of the de Havilland DH.18 to realise that aircraft needed to be more efficient to improve the economics of air travel. de Havilland therefore built the ten-passenger DH.29 monoplane, while starting work on the design of the DH.32, a biplane of similar size and capacity to the eight-passenger DH.18, but with a less powerful but more ...
D.H. Griffin Companies is a group of six independently owned but integrated companies that perform contract demolition as well as environmental and site development services. It was founded in 1959 and is headquartered in Greensboro, North Carolina .
The Great Depression of 1929–32 broke out at a time when the United Kingdom was still far from having recovered from the effects of the First World War. Economist Lee Ohanian showed that economic output fell by 25% between 1918 and 1921 and did not recover until the end of the Great Depression, [3] arguing that the United Kingdom suffered a 20-year great depression beginning in 1918.