BELL'S/EDISON'S T-PHONES
Graham Bell's first telephone, hand telephone and long- distance telephone, shown alongside Edison's transmitter, and loud speaking phone
Picture No
10117676
Media ID
47306109
Size
4512px x 7000px
(5.0MB)
Credit
Mary Evans Picture Library
Source
Unattributed engravings
Date
late 19th century
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Alongside Chemical Edison Electro Loud Phones Receiver Transmitter
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