'Snoopy' Telephone, 1981-1989
1981-1989
Baird 'Tin box' Televisor
1930-1940
System X circuit board from digital switching subsystem, 1980
1980
V2A Marconiphone receiver (long-range model) , 1922-1924
1922-1924
Antenna from Ptarmigan communications system, 1985-2010
1985-2010
Pentex production unit: B switch, 1965-1971
1965-1971
'Control indicator group' unit for mobile communications, 1985-2010
1985-2010
Model MRA 101 tellurometer, 1965-75
1965-1975
Radio transmitter and receiver unit, from Ptarmigan communications
Expendable Bathythermograph-Underwater Temperature Measuring Device, 1970-1977
1970-1977
'Defiant' Television Teceiver, c 1950
1945-1955
Radio transmitting set for radiosonde
1974
Radio transmitting set for radiosonde
1973
Telephone handset
1960-1968
PROBE UNIT MO 30 sea water sound velocity meter
Ferrite Core Timer
Radio transmitter from Ptarmigan communications system, 1985-2010
1985-2010
Plessey computer LSI 11
1970s
Receiver from the Radio transmitter unit from Ptarmigan communications system, 1985-2010
1985-2010
Travelling Wave Tube UHF Television Transmitter
1970-1975
Scale Model of Loop Aerials for 'Atmospherics' ('Sferics') Apparatus, 1950
1950
Block of ferrite core by Plessey
Reproduction of 'Atmospherics' ('Sferics') Detection Apparatus, 1950
1950