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.
Section of Dover to Calais cable, 1851
Radio coherer-detector, c. 1901
Cable code key
Globe Ashtray
Crystal Detector
Baby Turtle
Grapnel
Wheatstone auto-transmitter, late 19th century
Section of deep sea cable
A Wheatstone transmitter used for sending high speed Morse from pre-punched paper tape. Levers called 'peckers' below the little wheel at the front detected the holes in the paper tape and sent the signal into the line. Holes were punched in the tape using a separate machine with a keyboard.