Carbon pellet transmitter with switch hook
V.H.F. radio transmitter type 1131J
ABC telegraph transmitter, 1840
Multitone Electronics model TA75M transmitter
Cooke and Wheatstone's ABC telegraph transmitter
1840
HF Transmitter type T1154M
Rudder pedal force transmitter, Mk1A.
airspeed transmitter, type T313 ANTAFF for use wit
I.M.R. main transmitter, c. 1950
Antenna tuning unit for BC375-E/airborne transmitter
German clandestine hf transmitter and receiver
Wheatstone's automatic telegraph transmitter, 1858
1858
U.S. Army radio transmitter type BC-625-AM
Antenna A 58
Transmitter BC-458-A
Transmitter, type 1083
Wheatstone's automatic telegraph transmitter, 1858
1858
Robertson Lamp as used for transmitter tuning with GL MkI radar set
BTH transmitter triode AT 40 c.1921
Single pole transmitter
Transmitter with induction coil in case
German vhf transmitter/receiver (bakelite chassis)
Wheatstone's ABC transmitter
Cooke and Wheatstone's ABC telegraph transmitter
1840
Transmitter/receiver TR1133H
Muirhead pattern C/C transmitter
Three-inch magslip transmitter type X-CO MKII
Selsyn transmitter type S1406
Murray multiplex transmitter, old form
Transmitter with induction coil in iron case W. E. Long distance
Transmitter with induction coil on iron base with swivel
Sylvania transmitter triode, type 811
Transmitter for converting electrical signals into optical/light signals
1970-1980
laser
1973
Telefunken transmitter pentode, type LS50
Muirhead automatic cable transmitter type 4-B
Set - matched transmitter and receiver
Double microphone transmitter
Granular carbon transmitter
80 metre spark transmitter
'Rear' transmitter mark II from W/T sets
Western Union multiplex transmitter type 6 - A
Quartz crystal
C.W. transmitter Mk.III
GNT model 20 five-unit tape transmitter
Automatic transmitter Model No. 6S/6M
Elliott automatic morse transmitter
Hand driven perforated tape magneto-electric transmitter
