Frenophone loudspeaker amplifier, 1922
Leak "Point One" amplifier, model TL12
Marconi Type 55 amplifier
Amplifier for use with broadcast receiver, about 1925
1923-1927
Brown microphone amplifier
Adler tube amplifier, ZETA
1961
Autopilot servo-amplifier
2 KW Klystron amplifier
Direct Current Amplifier for Ionisation Chamber
1955-1969
Solartron DC Decade Amplifier AA900, 1960
1960
Engine control amplifier (Smith's)
Belling Lee television mast-head amplifier
Rod Amplifier Head from solid state Neodymium laser
1961-1971
Sperry Attitude Director Display Amplifier
Feranti Parametric Amplifier
1970
Amplifier, Leak TL25 plus
1965
Amplifier, valve Mk 1 No. 40
Western electric loud speaking amplifier of 1923
1923
Loud speaking amplifier (Western Electric Co. Ltd)
Brown microphone amplifier, serial no. 1265
"Crystavox" loud speaker
Amplifier
Marconi amplifier, type 55, c. 1918
Amplifier unit
Items from 570 MHz Adler tube low-noise amplifier
Preamplifier, 12 GHz
Sterling two-valve audio amplifier, c. 1925
Travelling-Wane Tube Amplifier Assembly: GEC Type PMC14
1960
Meter amplifier
1960-1979
Ferranti Parametric Amplifier
Head amplifier for the vibrating reed electrometer type no.616B serial no.S284
1960
Speech Spectrum Amplifier-Analyser unit, c.1965
1965
ABC Video Distribution Amplifier
Tray mounting from amplifier C.L.2.
Pre amplifier control unit
1957-1959
Grubb Parsons Mk II power unit
Integrating amplifier catalogue no. 12360
Stand for Grubb Parsons Mk II amplifier and power unit
4GHz parametric amplifier
1967
Relay amplifier use with gun sights Mk 5,7,8.
Two Channel Power Amplifier
R.C.A. amplifier type LM1 32216
One-valve audio-frequency amplifier by Reliance Radio Service
Power amplifier Travelling Wave Tube N 1029
Three amplifiers from the hutch of Beamline 16.5 of the Synchrotron Radiation Laboratory
Grubb Parsons Mk II amplifier
Charge amplifier type CA 2/3 by Panax Equipment Ltd.
1970-1979
Measuring Amplifier (2-200000 Hz)
1970-1990
