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Mechanical item believed to have been associated with W G Pye's experiments with 30-line mechanical television systems: 7" diameter, 30 way mirror drum. (Appears to me to be a B J Lynes mirror drum 100% identical to those mass produced for use in Baird mirror drum Televisors from 1933-35 - IB 20/11/15. Further research required).

30 way mirror drum for mechanical television system

1933-35

Television transmission equipment associated with John Logie Baird, 1928-1938: 14" mirror drum with twenty mirrors and motor, 1936.

14" Mirror Drum With Twenty Mirrors and Motor

1936

Spare mirror drum for Zeiss Ikon 'Zeitlupe' high-speed camera. Manufactured by Zeiss Ikon AG , Dresden, Germany, 1935. The mirror drum is marked '76071'.

Spare Mirror Drum For Zeiss Ikon 'Zeitlupe' High-Speed Camera

1935

Mirror drum, as used in mechanical television systems

Mirror Drum used in Mechanical Television Systems

30-line mirror-drum, approx. 300mm diameter

30-line Mirror-drum

12" mirror drum, having 10 mirrors, used by Mr. J L Baird for demonstrations of colour television in February 1938

12" Mirror Drum with 10 Mirrors used by Mr. J L Baird

Baird 10" mirror drum with 20 mirrors, 1937-1938.

Baird 10" Mirror Drum with Twenty Mirrors

1937-1938

Mirror drum from The Plessey Museum.

Mirror Drum

Mechanical item believed to have been associated with W G Pye's experiments with 30-line mechanical television systems :4" diameter, 36 way mirror drum.

36 way mirror drum for mechanical television system, c 1935

1930-1940

Mechanical item believed to have been associated with W G Pye's experiments with 30-line mechanical television systems: drum with 30 ball bearings arranged in spirals

Drum Associated with Mechanical Television Sysyem, c 1935

1930-1940