Alexander Graham Bell, Scottish-born inventor and telephone pioneer, 1910.

Delzers, A

 
Alexander Graham Bell, Scottish-born inventor and telephone pioneer, 1910.
4 0 c m
 
29cm
actual image size: 21cm x 32cm

Description

Etching by A Delzers from a photograph by Harris & Ewing of Alexander Graham Bell (1847-1922). After experimenting with various acoustical devices, Bell produced the first intelligible telephonic transmision with a mesage to his asistant on 5 June 1875. He patented this device as the telephone in 1876. Bell also invented the photophone in 1880, and the graphophone in 1887. The photophone worked by transmitting sound on a beam of light. The graphophone was a version of the phonograph designed to play 6" long records made from a cardboard tube. Published by the International Telecommunication Union, 1955-1964. Dimensions: 230mm x 190mm.

Image Details

Artist
 
Image Ref.
 
10400537

© Science Museum / Science & Society Picture Library

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