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