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
Direct Current Amplifier for Ionisation Chamber
1955-1969
2 KW Klystron amplifier
Belling Lee television mast-head amplifier
Engine control amplifier (Smith's)
Feranti Parametric Amplifier
1970
Amplifier, Leak TL25 plus
1965
Solartron DC Decade Amplifier AA900, 1960
1960
"Crystavox" loud speaker
Marconi amplifier, type 55, c. 1918
Brown microphone amplifier, serial no. 1265
Amplifier, valve Mk 1 No. 40
Western electric loud speaking amplifier of 1923
1923
Loud speaking amplifier (Western Electric Co. Ltd)
Amplifier unit
Preamplifier, 12 GHz
Sterling two-valve audio amplifier, c. 1925
Items from 570 MHz Adler tube low-noise amplifier
Amplifier
Rod Amplifier Head from solid state Neodymium laser
1961-1971
Sperry Attitude Director Display Amplifier
Ferranti Parametric Amplifier
Travelling-Wane Tube Amplifier Assembly: GEC Type PMC14
1960
Head amplifier for the vibrating reed electrometer type no.616B serial no.S284
1960
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
ABC Video Distribution Amplifier
Grubb Parsons Mk II power unit
Integrating amplifier catalogue no. 12360
Stand for Grubb Parsons Mk II amplifier and power unit
Relay amplifier use with gun sights Mk 5,7,8.
Tray mounting from amplifier C.L.2.
Pre amplifier control unit
1957-1959
Speech Spectrum Amplifier-Analyser unit, c.1965
1965
Grubb Parsons Mk II amplifier
Dowty series 4900 Servo Amplifier
Charge amplifier type CA 2/3 by Panax Equipment Ltd.
1970-1979
X-band parametric amplifier, 7.275 GHz, by Mullard
Microwave amplifier (2GHz) about 1960
Measuring Amplifier (2-200000 Hz)
1970-1990
