'Wireles Sends Pictures Over Atlantic Ocean', USA, 1 December 1924.
4 0 c m
 
35cm
actual image size: 27cm x 32cm

'Wireles Sends Pictures Over Atlantic Ocean', USA, 1 December 1924.

© Science Museum / Science & Society Picture Library

Description

Newspaper article from the Philadelphia 'Public Ledger' with the first pictures broadcast from London to New York by wireles including an image of the Oxford-Cambridge races. The apparatus used comprised a revolving glas drum to which the film was fixed. Inside was a bright light, with a photographic lens attached to a box. Inside this was a photo-sensitive cell which changed light into telegraphic signals - that is, it turned light into sound. The drum made half a revolution every five seconds, the picture was sent in strips 1/128 of an inch wide and took half an hour to travel the 3,000 miles between London and New York. D G Ward was in charge of the experiment for the Radio Corporation, asisted by S Whitmore, chief communications engineer for the Marconi Company.
 

Image Ref.

10422707
 

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