![](https://coimages.sciencemuseumgroup.org.uk/351/32/large_thumbnail_smg00233506.jpg)
![](https://coimages.sciencemuseumgroup.org.uk/351/32/large_thumbnail_smg00233506.jpg)
![](https://coimages.sciencemuseumgroup.org.uk/354/523/large_thumbnail_smg00017336.jpg)
laser
1973
![](https://coimages.sciencemuseumgroup.org.uk/396/849/large_thumbnail_smg00233519.jpg)
Rudder pedal force transmitter, Mk1A.
![](https://coimages.sciencemuseumgroup.org.uk/348/307/large_thumbnail_smg00233516.jpg)
airspeed transmitter, type T313 ANTAFF for use wit
![](https://coimages.sciencemuseumgroup.org.uk/451/50/large_thumbnail_smg00239185.jpg)
Telefunken transmitter pentode, type LS50
![](https://coimages.sciencemuseumgroup.org.uk/425/632/large_thumbnail_smg00224853.jpg)
Muirhead automatic cable transmitter type 4-B
![](https://coimages.sciencemuseumgroup.org.uk/462/662/large_thumbnail_smg00279705.jpg)
I.M.R. main transmitter, c. 1950
![](https://coimages.sciencemuseumgroup.org.uk/455/706/large_thumbnail_smg00258082.jpg)
Set - matched transmitter and receiver
![](https://coimages.sciencemuseumgroup.org.uk/455/705/large_thumbnail_smg00258081.jpg)
Double microphone transmitter
![](https://coimages.sciencemuseumgroup.org.uk/468/986/large_thumbnail_smg00280576.jpg)
Granular carbon transmitter
![](https://coimages.sciencemuseumgroup.org.uk/490/14/large_thumbnail_smg00305266.jpg)
80 metre spark transmitter
![](https://coimages.sciencemuseumgroup.org.uk/491/502/large_thumbnail_smg00305268.jpg)
'Rear' transmitter mark II from W/T sets
![](https://coimages.sciencemuseumgroup.org.uk/369/279/large_thumbnail_smg00078217.jpg)
Western Union multiplex transmitter type 6 - A
![](https://coimages.sciencemuseumgroup.org.uk/492/25/large_thumbnail_smg00313637.jpg)
Quartz crystal
![](https://coimages.sciencemuseumgroup.org.uk/490/942/large_thumbnail_smg00306248.jpg)
C.W. transmitter Mk.III
![](https://coimages.sciencemuseumgroup.org.uk/369/274/large_thumbnail_smg00078211.jpg)
GNT model 20 five-unit tape transmitter
![](https://coimages.sciencemuseumgroup.org.uk/367/665/large_thumbnail_smg00181764.jpg)
Automatic transmitter Model No. 6S/6M
![](https://coimages.sciencemuseumgroup.org.uk/425/668/large_thumbnail_smg00224861.jpg)
Elliott automatic morse transmitter
![](https://coimages.sciencemuseumgroup.org.uk/424/520/large_thumbnail_smg00225005.jpg)
Hand driven perforated tape magneto-electric transmitter
![](https://coimages.sciencemuseumgroup.org.uk/467/296/large_thumbnail_smg00225123.jpg)
ABC transmitter for Steljes type printing telegraphs
![](https://coimages.sciencemuseumgroup.org.uk/353/332/large_thumbnail_smg00182274.jpg)
Cooke and Wheatstone's ABC telegraph transmitter
1840
![](https://coimages.sciencemuseumgroup.org.uk/467/297/large_thumbnail_smg00225174.jpg)
Wheatstone transmitter no. 465
![](https://coimages.sciencemuseumgroup.org.uk/494/97/large_thumbnail_smg00314707.jpg)
Aerial-tuning inductor from S.T. & C low frequency transmitter
![](https://coimages.sciencemuseumgroup.org.uk/472/417/large_thumbnail_smg00306244.jpg)
Antenna tuning unit for BC375-E/airborne transmitter
![](https://coimages.sciencemuseumgroup.org.uk/366/873/large_thumbnail_smg00078337.jpg)
German clandestine hf transmitter and receiver
![](https://coimages.sciencemuseumgroup.org.uk/425/670/large_thumbnail_smg00224864.jpg)
Wheatstone's automatic telegraph transmitter, 1858
1858
![](https://coimages.sciencemuseumgroup.org.uk/490/939/large_thumbnail_smg00306240.jpg)
U.S. Army radio transmitter type BC-625-AM
![](https://coimages.sciencemuseumgroup.org.uk/490/943/large_thumbnail_smg00306249.jpg)
Antenna A 58
![](https://coimages.sciencemuseumgroup.org.uk/472/415/large_thumbnail_smg00306242.jpg)
Transmitter BC-458-A
![](https://coimages.sciencemuseumgroup.org.uk/490/957/large_thumbnail_smg00306310.jpg)
Transmitter, type 1083
![](https://coimages.sciencemuseumgroup.org.uk/425/626/large_thumbnail_smg00224847.jpg)
Wheatstone's automatic telegraph transmitter, 1858
1858
![](https://coimages.sciencemuseumgroup.org.uk/492/799/large_thumbnail_smg00155197.jpg)
Robertson Lamp as used for transmitter tuning with GL MkI radar set
![](https://coimages.sciencemuseumgroup.org.uk/455/141/large_thumbnail_smg00239234.jpg)
BTH transmitter triode AT 40 c.1921
![](https://coimages.sciencemuseumgroup.org.uk/469/207/large_thumbnail_smg00286115.jpg)
Single pole transmitter
![](https://coimages.sciencemuseumgroup.org.uk/472/269/large_thumbnail_smg00305469.jpg)
Transmitter with induction coil in case
![](https://coimages.sciencemuseumgroup.org.uk/490/959/large_thumbnail_smg00306313.jpg)
German vhf transmitter/receiver (bakelite chassis)
![](https://coimages.sciencemuseumgroup.org.uk/350/227/large_thumbnail_smg00182207.jpg)
Wheatstone's ABC transmitter
![](https://coimages.sciencemuseumgroup.org.uk/350/249/large_thumbnail_smg00182304.jpg)
Cooke and Wheatstone's ABC telegraph transmitter
1840
![](https://coimages.sciencemuseumgroup.org.uk/490/954/large_thumbnail_smg00306295.jpg)
Transmitter/receiver TR1133H
![](https://coimages.sciencemuseumgroup.org.uk/425/629/large_thumbnail_smg00224850.jpg)
Muirhead pattern C/C transmitter
![](https://coimages.sciencemuseumgroup.org.uk/423/418/large_thumbnail_smg00224926.jpg)
Three-inch magslip transmitter type X-CO MKII
![](https://coimages.sciencemuseumgroup.org.uk/442/836/large_thumbnail_smg00202664.jpg)
Selsyn transmitter type S1406
![](https://coimages.sciencemuseumgroup.org.uk/467/276/large_thumbnail_smg00224889.jpg)
Murray multiplex transmitter, old form
![](https://coimages.sciencemuseumgroup.org.uk/472/268/large_thumbnail_smg00305468.jpg)
Transmitter with induction coil in iron case W. E. Long distance
![](https://coimages.sciencemuseumgroup.org.uk/491/532/large_thumbnail_smg00305460.jpg)
Transmitter with induction coil on iron base with swivel
![](https://coimages.sciencemuseumgroup.org.uk/451/185/large_thumbnail_smg00240374.jpg)
Sylvania transmitter triode, type 811
![](https://coimages.sciencemuseumgroup.org.uk/493/974/large_thumbnail_smg00305532.jpg)
Carbon pellet transmitter with switch hook
![](https://coimages.sciencemuseumgroup.org.uk/56/358/large_thumbnail_1968_0599.jpg)
K-220-A/1 picture transmitter serial no. 424607
![](https://coimages.sciencemuseumgroup.org.uk/367/663/large_thumbnail_smg00181761.jpg)
ABC telegraph transmitter, 1840
![](https://coimages.sciencemuseumgroup.org.uk/208/462/large_thumbnail_cd0502_001_090210_1996_10_1113_ferranti_13d_transmitter.jpg)