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Wall telephone No. 1, 1900-1911

Wall telephone No. 1, 1900-1911

1900-1911
Western Electric 717A pentode, 1926-1966

Western Electric 717A pentode, 1926-1966

1926-1966
Impulse sender (dial), 1915

Impulse sender (dial), 1915

1915
Two-wire telephone repeater, 1923-1925

Two-wire telephone repeater, 1923-1925

1923-1925
Westrex 35mm Sound and Film Editing Machine

Westrex 35mm Sound and Film Editing Machine

1930s
Model 555-W loudspeaker receiver unit

Model 555-W loudspeaker receiver unit

1926-1929
Western Electric type 2A disc cutter.

Western Electric type 2A disc cutter.

two-wire telephone repeater, 1923-1925

two-wire telephone repeater, 1923-1925

1923-1925
Aluminium diaphragm for Model 555-W loudspeaker unit

Aluminium diaphragm for Model 555-W loudspeaker unit

1926-1929
Telephone handset model 500 DM W

Telephone handset model 500 DM W

1960-1980
Wade Bequest collection of valves: Western Electric Type 357A

Wade Bequest collection of valves: Western Electric Type 357A

Copy of Western Electric electromagnetic recording head and arm

Copy of Western Electric electromagnetic recording head and arm

1924
Western Electric Microphone in Box

Western Electric Microphone in Box

Wade Bequest collection of valves: Western Electric radio valve Type 394A

Wade Bequest collection of valves: Western Electric radio valve Type 394A

Telephone handset model 500

Telephone handset model 500

1960-1980
Cosmos 'Bottle' type vacuum pump

Cosmos 'Bottle' type vacuum pump

1917-1921
Wade Bequest collection of valves: minitaure Weco radio valve

Wade Bequest collection of valves: minitaure Weco radio valve

1926
McVitie Weston valve collection

McVitie Weston valve collection

circa 1936
Scratch equalizer, type 7A

Scratch equalizer, type 7A

Pick-up head, type 4A ,and "Talkie" needles

Pick-up head, type 4A ,and "Talkie" needles

Sound-on-Film Recorder

Sound-on-Film Recorder

1938
Loudspeaker pressure drive unit (Serial No. 29351) made by Western Electric Company

Loudspeaker pressure drive unit (Serial No. 29351) made by Western Electric Company

1927
Loudspeaker pressure drive unit (Serial No. 17933) made by Western Electric Company

Loudspeaker pressure drive unit (Serial No. 17933) made by Western Electric Company

1927
Plug-in hot wire and thermocouple unit type 22C No.24596

Plug-in hot wire and thermocouple unit type 22C No.24596

1922-1929
Plug-in hot wire and thermocouple unit type 22C No.48265

Plug-in hot wire and thermocouple unit type 22C No.48265

1922-1929
Wade Bequest collection of valves: Western Electric type 724B radio valve

Wade Bequest collection of valves: Western Electric type 724B radio valve

Western Electric photoelectric cell

Western Electric photoelectric cell

Wade Bequest collection of valves: radio valve 724B

Wade Bequest collection of valves: radio valve 724B

Wade Bequest collection of valves: Western Electric type 717A radio valve

Wade Bequest collection of valves: Western Electric type 717A radio valve

Cover for two-wire telephone repeater, made by Standard Telephones and Cables in collaboration with Western Electric Company, British, 1923-1925

Cover for two-wire telephone repeater, 1923-1925

1923-1925
Western Electric sound-on-film recorder, marked R.A. 1061-A light valve, serial no. 41, in wooden storage boxed, marked MP, c. 1938

Sound-on-film recorder

1938
Pick-up (no. H 25340), made by Western Electric, type 4A, (Patent Nos. 1284623 & 1586884), oil-damped, on long arm, type 2A, as fitted to Western Electric base, type 1A, used for the reproduction of sound-on-disc films, c. 1929

Pick-up (no. H 25340), and associated parts

1929
Western electric microphone

Western electric microphone

Western Electric microphone type 1124 with case and three microphone heads.

microphone type 1124

1A thermocouple socket made in USA by Western Electric, part of a thermoelectric milliammeter suitable for measuring high frequency alternating currents

Thermocouple socket

1922-1929
Western Electric microphone type RA1124, serial no. 203.

Microphone Type RA1124

Case for Western Electric microphone type 1124.

Case for Microphone Heads

Microphone head with bracket (serial no. 1124). For Western Electric microphone type 1124.

Microphone Head

Western Electric sound on disc projector

Western Electric Sound on Disc Projector

Pair of tuning forks marked W.E.C. London, used as frequency standards for setting up electronic circuits pre-1924. Frequencies 900 and 1000 hertz

Pair of tuning forks marked W.E.C. London

Component in box for Western Electric sound-on-film recorder, marked R.A. 1061-A light valve, serial no. 41, in wooden sotrage boxed, marked MP, c. 1938

Component in box for Western Electric sound-on-film recorder

1938
Microphone head. For Western Electric microphone type 1124.

Microphone Head

Microphone head with bracket (serial no. 1329). For Western Electric microphone type 1124.

Microphone Head

Power supply box for Western electric screening set.

Power Supply Box

Loudspeaker pressure drive units (two) (Serial Nos. 17933 & 29351) made by Western Electric, type 555W, designed by Wente, patented 1926 (Bell Telephone Laboratories), impedance 10 ohms at 400 Hz, used in sound-film units, 1927. (Patent Nos. 263411, 266395, 275567, 275571, 297938)

Loudspeaker pressure drive units (two) (Serial Nos. 17933 & 29351) made by Western Electric

1927
D C motor, Western Electric Co, Type G1, no.16241, 220 V, 5.2 A, 1 1/4 hp. 1250 rpm.

D C motor

Transmitting valve by Western Electric

Transmitting valve

circa 1940