Scanning Phototelegraph, 1881.

 
Scanning Phototelegraph, 1881.
4 0 c m
 
32cm
actual image size: 24cm x 32cm

Description

The scanning phototelegraph was invented by Shelford Bidwell in 1881. This is his original apparatus (the earliest television-related object in our collection) and has examples of the sillhouette images it transmitted and received. It is the for-runner of today's Fax machine and used a selenium cell connected to a simple scanning system.

Image Details

Image Ref.
 
10463545

© National Museum of Science & Media / Science & Society Picture Library

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