Viscount telephone, 1982-1995
1982-1995
Deltaphone Deluxe telephone, 1979-1985
1979-1985
Part of Rugby transatlantic telephone transmitter, 1927-1956
1927-1956
Submerged repeater amplifier, 1967
1967
Radio valve, 1936-1939
1936-1939
Coil of 7mm fibre optic cable on cable drum, 1977
1977
Audio trunk cable specimen, 1925-1935
1925-1935
Cable for aerial installation, 1930-1962
1930-1962
Long distance voice frequency polythene insulated cable, 1930-1962
1930-1962
Keypad for a Viscount 9501R telephone, 1982-1983
1982-1983
Printed circuit board for a Viscount 9501R telephone, 1982-1983
1982-1983
Viscount 9501R telephone, 1982-1983
1982-1983
Radio valve, micromesh type 7A.2, 1932-1933
1932-1933
'Various Memoranda on VOR Systems etc.'
'Miscellaneous Information Relating to: Radio Division History'
'Radio Division 37 Staff Statistics'
'Miscellaneous Papers'
'D.M.S.1066 (And all that). High Power Demodulated Incinerator'
'An Experimental 23 Channel Time Division Multiplex Radio Link System'
'CADF Wide Aperture DF Systems '
'Mason & Deloraine Papers'
'The D.P.10 Time Division Multiplex Proposal. A Bird's Eye View'
Handwritten papers of dates and events
'Draft E. L. P. R's.'
‘Pioneering in Space’
'Reviews of Technical Position'
Novatel Viewdata Business Terminal by Standard Telephones and Cables Ltd.
1978
McVitie Weston valve collection, STC valve, type CV25
1938
Deltaphone with tan leather cover Tele SR 1006A, 1979-1985
1979-1985
Viscount 9501R telephone, 1982-1983
1982-1983
Modulator and sub-modulator unit from Daventry short-wave transmitter
1932
McVitie Weston valve collection, STC Klystron valve, type VX. 7136
circa 1955
Moving Coil Microphone
1934
Polythene insulated and PVC sheathed cable, 1930-1962
1930-1962
Strowger step-by-step PABX3 Private Automatic Branch Exchange, 1955-1965
1955-1965
Exchange area cable, 1880-1962
1880-1962
V F Spectrometer CLS 2168
McVitie Weston valve collection, STC Micromesh valve, type R3
1938
McVitie Weston valve collection, STC valve, type 4033A
1934
McVitie Weston valve collection, STC valve, type 4212D
McVitie Weston valve collection, STC Micromesh valve, type PA1
circa 1930
McVitie Weston valve collection
circa 1950
McVitie Weston valve collection, STC valve, type 4316A
circa 1936
McVitie Weston valve collection, STC valve, type 4264A
McVitie Weston valve collection, STC valve, type 4043C
1937
McVitie Weston valve collection, STC valve, type 4101D
McVitie Weston valve collection, Brimar valve, type 5Z4G
1940
Strowger Step-By-Step PABX3 Private Automatic Branch Exchange, 1955-1965
1955-1965
McVitie Weston valve collection, STC valve, type 4069A
1937
