photophone English (Q1302202)
device invented jointly by Alexander Graham Bell and his assistant Charles Sumner Tainter in 1880 English
| Language | Label | Description | Also known as |
|---|---|---|---|
| British English | No label defined |
No description defined |
Statements
Photophone
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technology/Photophone
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Treccani ID English
66801048
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7713
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fotofon
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