alb9039846

Alexander Graham Bell's photo phone.

Alexander Graham Bell's (1847-1922) telephone, exhibited at the Philadelphia Centennial Exhibition of 1876. This was his second and successful instrument. Left: the transmitter. Right: the receiver. London, 1885.

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Title: Alexander Graham Bell's photo phone.

Caption: Alexander Graham Bell's (1847-1922) telephone, exhibited at the Philadelphia Centennial Exhibition of 1876. This was his second and successful instrument. Left: the transmitter. Right: the receiver. London, 1885

Credit: Album / World History Archive

Releases: ? Model Release: No - ? Property Release: No
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Image size: 6591 × 3182 px | 60.0 MB

Print size: 55.8 × 26.9 cm | 2594.9 × 1252.8 in (300 dpi)

Keywords: ALEXANDER GRAHAM BELL • AMERICA • COMMUNICATION • ELECTRIC • ELECTRICAL • ELECTRICITY • PHILADELPHIA CENTENNIAL EXHIBITION • PHILADELPHIA • RECEIVER • TELEPHONE • TRANSMITTER • USA