
4 0 c m
33cm
actual image size: 25cm x 32cm
Description
Sir Charles Wheatstone (1802-1875) believed a telegraph system should be simple to operate. His ABC receiver was popular with busineses and in government offices in Britain and Europe as it did not require a trained telegraphist to read or send the mesages.
Image Details
Image Ref.
10305507
© Science Museum / Science & Society Picture Library