Instructions for use
Select an object to view from the list below. To rotate either click on the rotate icon located in the bottom right hand corner of the image or click and drag within the object window.
Telesonic Lorgnette
Submarine telegraph cable
Cookes portable double-needle telegraph
School telephone
Portable double-needle telegraph, 1850
Box telephone, c.1877
John Gaveys ring transformer
Valve heater transformer
Colossus is regarded by many as being the worlds first electronic computer. It was developed in Britain in great secrecy during the Second World War, but soon after the end of the war all the Colossus machines were deliberately destroyed. This transformer is reputed to be a rare surviving component from a Colossus.