Before We Went Wireless: David Edward Hughes, His Life, Inventions and Discoveries (1829-1900) - David Ellis Evans - Grāmatas - Images From The Past - 9781884592539 - 2011. gada 4. janvāris
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David Ellis Evans
Before We Went Wireless: David Edward Hughes, His Life, Inventions and Discoveries (1829-1900) First edition

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This is the first biography of the brilliant inventor and practical experimenter, British-born David Edward Hughes. A contemporary of Edison and Bell, Hughes made major contributions in the fields of telegraphy, telephony, metal detection, and audiology. His printing telegraph, adopted across much of Europe, made him a fortune. Hughes sent and received wireless signals in 1879, some sixteen years before Marconi, but faced with the skepticism of his peers, he discontinued his research and his accomplishments were only recognized years later.

Mediji Grāmatas     Paperback Book   (Grāmata ar mīksto vāku un līmēto muguru)
Izlaists 2011. gada 4. janvāris
ISBN13 9781884592539
Izdevēji Images From The Past
Lapas 400
Izmēri 177 × 24 × 249 mm   ·   753 g
Valoda Angļu  

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