television transmitter

Maker
John Logie Baird
Production date
Circa 1926
 Description
Essentially a camera, this is the oldest piece of equipment made by John Logie Baird known to exist. The cardboard discs rotated to scan a lit image. A light sensitive cell, which sadly has not survived, converted the image into electrical current. The current was then sent by wire or radio waves to a remote receiver that converted the current back into a picture. It has the remains of an address label on the base.

Conservation work done on this item in 2017 - kindly funded by Pilgrim Trust via AIM.
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Object detail

Department
Object
Maker
Production date
Circa 1926
Signature & date
On brass plaque "PRESENTED TO HART RADIO SUPPLIES FALKIRK BY MR J L BAIRD AT 2 T.V. STUDIO LONGON SEPT.5TH 1926"
Measurement type, part and reading
Dimensions:0 - Whole:W 62cm (W 2' 7/16")
Dimensions:0 - Whole:L 92cm (L 3' 1/4")
Dimensions:0 - Whole:H 5.2cm (H 2 1/16")
Restriction
Access restriction
Accession number
1994-020-001

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