Frenophone loudspeaker amplifier, 1922
Leak "Point One" amplifier, model TL12
Amplifier for use with broadcast receiver, about 1925
1923-1927
Marconi Type 55 amplifier
Adler tube amplifier, ZETA
1961
Brown microphone amplifier
Autopilot servo-amplifier
Direct Current Amplifier for Ionisation Chamber
1955-1969
2 KW Klystron amplifier
Amplifier, Leak TL25 plus
1965
Solartron DC Decade Amplifier AA900, 1960
1960
Engine control amplifier (Smith's)
Sperry Attitude Director Display Amplifier
Amplifier
Sterling two-valve audio amplifier, c. 1925
Belling Lee television mast-head amplifier
Rod Amplifier Head from solid state Neodymium laser
1961-1971
Amplifier, valve Mk 1 No. 40
Loud speaking amplifier (Western Electric Co. Ltd)
Feranti Parametric Amplifier
1970
Western electric loud speaking amplifier of 1923
1923
One-valve audio-frequency amplifier by Reliance Radio Service
"Crystavox" loud speaker
Brown microphone amplifier, serial no. 1265
Marconi amplifier, type 55, c. 1918
Parametric amplifier tube, type N 1037
Amplifier unit
Items from 570 MHz Adler tube low-noise amplifier
Preamplifier, 12 GHz
Travelling-Wane Tube Amplifier Assembly: GEC Type PMC14
1960
Ferranti Parametric Amplifier
Meter amplifier
1960-1979
Relay amplifier use with gun sights Mk 5,7,8.
Two Channel Power Amplifier
Two Channel Power Amplifier
R.C.A. amplifier type LM1 32216
Power amplifier Travelling Wave Tube N 1029
X-band parametric amplifier, 7.275 GHz, by Mullard
Microwave amplifier (2GHz) about 1960
Dowty series 4900 Servo Amplifier
Leak "TL/25 Plus" audio amplifier
Distribution amplifier vhs.
Original amplifier made and used by the Building Research Station in vibrating acoustic strain-gauge experiments
Servo amplifier as used in RAE CTV 1
"Beam Echo" valve stereo amplifier Model P/1A
Power amplifier Travelling Wave Tube type N 1033/1035
Marconi L S 3 Power Amplifier
Valve amplifier used by Frédéric Joliet and Irène Joliot-Curie
1930-1934
