Home-made equipment for 30-line television reception, 1929-1935

Display Location:
Science Museum, Information Age Gallery: Broadcast
Made:
1929-1935 in United Kingdom
maker:
Unknown

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Home-made equipment for 30-line television reception, unknown maker, British, 1929-35. Comprises Nipkow disc, neon
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Home-made equipment for 30-line television reception, unknown maker, British, 1929-35. Comprises Nipkow disc, neon
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Home-made equipment for 30-line television reception, unknown maker, British, 1929-35. Comprises Nipkow disc, neon lamp, viewing lens, phonic-wheel unit, home recorded discs of signals, square punch for Nipkow disc).

Home-made equipment for 30-line television reception, unknown maker, British, 1929-35.

When television was in its infancy some people made their own televisions receivers using equipment like this. A Nipkow disk was a key part of the system. In the camera it was an image scanning device formed of a metal or plastic disk with a series of holes punched around the edge. As light from the image passed through the holes in the spinning disk, falling onto a light sensitive component, the signal for transmission was created. At the receiving television the signal was converted back into light and passed through holes in a similar spinning disk to recreate the image.

On display

Science Museum: Information Age Gallery: Broadcast

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Details

Category:
Radio Communication
Object Number:
1973-427
Materials:
brass (copper, zinc alloy), foam, metal (unknown), paper (fibre product), plastic (unidentified)
Measurements:
valve: 85 mm x 60 mm x 45 mm, 106.27 g
neon lamp: 120 mm x 60 mm x 55 mm, 220 g
phonic-wheel unit: 65 mm x 145 mm x 70 mm, 680 g
square punch: 10 mm x 55 mm x 10 mm, 11.65 g
Nipkow disk: 508 mm, .01 g
viewing lens: 20 mm 150 mm, 840 g
type:
television receiver
taxonomy:
  • component - object
credit:
Donated by C. H. C. Swaine
status:
Permanent collection

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