Mervyn Unisphere Mirror Drum Television
1933-35
Four items of television transmission equipment associated with John Logie Baird, 1928-1938: 1. 30-line mirror drum from Bush Televisor, c1933 2. 14" mirror drum with twenty mirrors and motor, 1936 3. 10" mirror drum with twenty mirrors, 1938 4. Ventriloquist's dummy head, 1928.
1933-35
1936
1937-1938
1933-1952