A HISTORY OF EDISON'S WEST ORANGE LABORATORY 1887-1931

| Kategorie: Kniha  | Tento dokument chci!

Vydal: Neurčeno

Strana 72 z 567

Vámi hledaný text obsahuje tato stránku dokumentu který není autorem určen k veřejnému šíření.

Jak získat tento dokument?






Poznámky redaktora
devoted several experiments to this problem and claimed that had transmitted messages over air space 580 feet. This idea never achieved any . This plan was probably forgotten during the great experimental campaigns the phonograph and nothing came it. The income the laboratory was not restricted research and development; also earned money from manufacture and repair. Edison clearly saw vast market wireless communication over land and sea. was major focus of research when the laboratory opened; December 1887 Edison made out list experiments started which included the phonoplex, and "grasshopper" telegraph. The policy contract research meant that the lab had to be all things all people. Sholes had brought his typewriter Edison and the latter claimed have improved and made into a commercial West Orange laboratory continued the development work the typewriter while Edison contemplated building large factory manufacture improved model.11-21 33 possibilities copper smelting with electricity. The telegraph industry was Edison's first business involvement. The lab serviced and rebuilt office machinery, including the Sholes typewriter and telegraph apparatus. His knowledge the market, and the store of technical expertise the laboratory, made telegraphy an appropriate area launch into.^ The latter was a wireless telegraph system that utilized induction coils to communicate between moving trains and fixed telegraph station