A Fultograph image, 65×129mm. The fultograph was an early, clockwork image-receiving device, similar in function to

fax machine Fax (short for facsimile), sometimes called telecopying or telefax (the latter short for telefacsimile), is the telephonic transmission of scanned printed material (both text and images), normally to a telephone number connected to a printer o ...

s. It took signals from the loudspeaker socket of a radio receiver and used an electrochemical process to darken areas of sensitised paper wrapped on a rotating drum. Invented by Otho Fulton, the system was used briefly in the late 1920s to broadcast images to homes by radio. The machines themselves were expensive ( £22 15'' s'' 0'' d'' in 1928) and required a good receiver to operate.The fultograph, Transdiffusion.org
retrieved on: August 13, 2007 The BBC broadcast Fultograph images in 759 programmes between 1929 and 1932.BBC Genome
retrieved on: November 09, 2014 The Fultograph was the subject of an article in the British ''

RadCom ''RadCom'' is the monthly magazine published by the Radio Society of Great Britain and is provided to all corporate members of the society. Typically 100 pages, it includes a mixture of news, theory, construction and technical articles of inter ...

amateur radio Amateur radio, also known as ham radio, is the use of the radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, private recreation, radiosport, contesting, and emergency commu ...

magazine in October 2007.

References

External links

A detailed German text
from a 1920s catalogue, with illustrations and a circuit diagram.

a

German-language German ( ) is a West Germanic language mainly spoken in Central Europe. It is the most widely spoken and official or co-official language in Germany, Austria, Switzerland, Liechtenstein, and the Italian province of South Tyrol. It is also a ...

text with colour photographs. Telecommunications equipment {{Telecommunications-stub