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