Detector used in Marconi's original transatlantic radio tests, 1901.
3 4 c m
40cm
actual image size: 32cm x 26cm

Detector used in Marconi's original transatlantic radio tests, 1901.

Hills, Jennie

© Science Museum / Science & Society Picture Library

Description

On 12 December 1901 Guglielmo Marconi (1874-1937) succesfully transmitted a series of signals acros the Atlantic, from Poldhu in Cornwall to Signal Hill, Newfoundland, heralding the birth of transatlantic radio communication. The signals were picked up by a tiny device known as the 'Italian Navy' detector. This is one of the two in use on that famous day. The test proved that long-distance radio communication was a practical posibility.
 

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Image Ref.

10327569
 

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