Part of Rugby transatlantic telephone transmitter, 1927-1956
1927-1956
Submerged repeater amplifier, 1967
1967
Cable for aerial installation, 1930-1962
1930-1962
Deltaphone Deluxe telephone, 1979-1985
1979-1985
Viscount telephone, 1982-1995
1982-1995
Long distance voice frequency polythene insulated cable, 1930-1962
1930-1962
Radio valve, 1936-1939
1936-1939
Audio trunk cable specimen, 1925-1935
1925-1935
Coil of 7mm fibre optic cable on cable drum, 1977
1977
Radio valve, micromesh type 7A.2, 1932-1933
1932-1933
McVitie Weston valve collection, STC valve, type VLS631
Modulator and sub-modulator unit from Daventry short-wave transmitter
1932
STC RX1 triple-diversity independent side-band high-frequency radio receiver, c.1950
1940-1960
Strowger step-by-step PABX3 Private Automatic Branch Exchange, 1955-1965
1955-1965
Strowger Step-By-Step PABX3 Private Automatic Branch Exchange, 1955-1965
1955-1965
McVitie Weston valve collection, STC valve, type 8A1 - Experimental
1933
McVitie Weston valve collection, STC valve, type 8A1 - Experimental
1933
McVitie Weston valve collection, STC valve, type CV18
1939
McVitie Weston valve collection, STC valve, type 4316A
circa 1936
McVitie Weston valve collection, STC valve, type 4102E
1926-
McVitie Weston valve collection, STC valve, type 4043C
1937
McVitie Weston valve collection, STC valve, type 4102D
1926
McVitie Weston valve collection, STC valve, type 4102D
1926
McVitie Weston valve collection, STC valve, type 4102E
1926-
McVitie Weston valve collection, STC valve, type 4102D
1926
McVitie Weston valve collection, STC valve, type 4043C
1937
McVitie Weston valve collection, Brimar valve, type 11A2
circa 1938
McVitie Weston valve collection, STC valve, type 4264A
McVitie Weston valve collection, STC valve, type 4239A
McVitie Weston valve collection
circa 1950
McVitie Weston valve collection
1934-1961
McVitie Weston valve collection
circa 1930
McVitie Weston valve collection
McVitie Weston valve collection
circa 1930
McVitie Weston valve collection
1936-1961
McVitie Weston valve collection, STC valve, type 3D22
1960
McVitie Weston valve collection, STC Micromesh valve, type S.G.A.1.
circa 1930
McVitie Weston valve collection, STC Micromesh valve, type 5-B.1
circa 1930
McVitie Weston valve collection, STC valve, type CV25
1938
McVitie Weston valve collection, Mazda valve, type PEN3520
circa 1935
McVitie Weston valve collection, STC valve, type G180/2M
circa 1950
McVitie Weston valve collection, Brimar valve, type 6L6G
1961
McVitie Weston valve collection, STC valve, type 3B/240M
1953
McVitie Weston valve collection, STC valve, type G10/240E
1951
McVitie Weston valve collection, STC valve, type 5B/251M
McVitie Weston valve collection, STC Micromesh valve, type PEN:B1
McVitie Weston valve collection, STC valve, type 3H/150J
1951
McVitie Weston valve collection, STC valve, type Z239/1G
McVitie Weston valve collection, STC valve, type NT.37
1939
McVitie Weston valve collection, STC Tunograph valve
1933