Soubor:Bell-gray-smoking-gun.png

Původní soubor(881 × 659 pixelů, velikost souboru: 341 KB, MIME typ: image/png)

Popis

Popis
English: Comparison of the illustration of the telephone in Alexander Graham Bell's diaries and Elisha Gray's patent application.
Datum
Zdroj Photo illustration based on Alexander Graham Bell's notebooks and a patent caveat filed by Elisha Gray. Featured in Seth Schulman's book en:The Telephone Gambit and his notes at [1]
Autor Elisha Gray and Alexander Graham Bell

Licence

Public domain

Toto dílo je volné také v zemích, jejichž právní řád chrání majetková autorská práva po dobu života autora a 70 let po jeho smrti.


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[[Category:History of technology]

Popisky

Přidejte jednořádkové vysvětlení, co tento soubor představuje
The needle in Gray's transmitter nearly touches the contact on the bottom of the glass. Bell's needle stays near the top of the water and the contact is off to the side.

Položky vyobrazené v tomto souboru

zobrazuje

březen 1876gregoriánský

9ef2b591c9bed59f0160d831037a9bb9105c3f84

349 118 bajt

659 pixel

881 pixel

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Datum a časNáhledRozměryUživatelKomentář
současná24. 12. 2008, 22:46Náhled verze z 24. 12. 2008, 22:46881 × 659 (341 KB)AaronSw{{Information |Description={{en|1=Comparison of the illustration of the telephone in Alexander Graham Bell's diaries and Elisha Gray's patent application.}} |Source=Photo illustration based on [http://www.loc.gov/exhibits/treasures/images/85b/at0085bp0038

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