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
Amplifier
Engine control amplifier (Smith's)
Rod Amplifier Head from solid state Neodymium laser
1961-1971
Sperry Attitude Director Display Amplifier
Sterling two-valve audio amplifier, c. 1925
Belling Lee television mast-head amplifier
Amplifier unit
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
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
Power amplifier Travelling Wave Tube N 1029
Marconi L S 3 Power Amplifier
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
Leak "TL/25 Plus" audio amplifier
X-band parametric amplifier, 7.275 GHz, by Mullard
Microwave amplifier (2GHz) about 1960
Dowty series 4900 Servo Amplifier
Distribution amplifier vhs.
Original amplifier made and used by the Building Research Station in vibrating acoustic strain-gauge experiments
Power amplifier Travelling Wave Tube type N 1033/1035
Servo amplifier as used in RAE CTV 1
"Beam Echo" valve stereo amplifier Model P/1A
Valve amplifier used by Frédéric Joliet and Irène Joliot-Curie
1930-1934
