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Voltages used for electric power transmission increased throughout the 20th century. [50] The first "high voltage" AC power station, rated 4-MW 10-kV 85-Hz, was put into service in 1889 by Sebastian Ziani de Ferranti at Deptford, London. [33] The first electric power transmission line in North America operated at 4000 V.
Blyth's windmill at his cottage in Marykirk in 1891 Wind powered generators were used on ships by the end of the 19th century, as seen on the New Zealand sailing ship "Chance" (1902). The first wind turbine used for the production of electricity was built in Scotland in July 1887 by Prof James Blyth of Anderson's College, Glasgow (the precursor ...
The transmitter Witzleben uses the new standard with 441 lines and 25 image changes, i.e. 50 fields of 220 half-lines. Until the HDTV era the interlace method remains in use. First movie encoder make it possible not to send the TV live, but to rely on recordings. 1938 The improved AEG tape-recorder "Magnetophon K4" is first used in radio studios.
In 1957, she was sold to Hugo Neu Corporation of New York City and was used then as a power facility abroad by the International Steel and Metal Corporation. In 1959, she was renamed Somerset. [4] MH-1A, the first floating nuclear powership. The first floating nuclear reactor ship was the MH-1A, used in the Panama canal zone from 1968 to 1975.
Although it is impossible to precisely pinpoint a first electrical engineer, Francis Ronalds stands ahead of the field, who created a working electric telegraph system in 1816 and documented his vision of how the world could be transformed by electricity. [22] [23] Over 50 years later, he joined the new Society of Telegraph Engineers (soon to ...
The Great Western [48], [49] [50] built by engineer Isambard Kingdom Brunel, was the longest ship in the world at 236 ft (72 m) with a 250-foot (76 m) keel and was the first to prove that transatlantic steamship services were viable. The ship was constructed mainly from wood, but Brunel added bolts and iron diagonal reinforcements to maintain ...
The Age of Discovery was a period from the early 15th century and continuing into the early 17th century, during which European ships traveled around the world to search for new trading routes after the Fall of Constantinople.
With the advent of the gasoline-powered outboard motor, the use of electric power on boats declined from the 1920s. However, in a few situations, the use of electric boats has persisted from the early 20th century to the present day. One of these is on the Königssee lake, near Berchtesgaden in south-eastern Germany. Here the lake is considered ...