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Image
Has Image
3,037
Non-Commercial Use
3,014
Category
Electronic Components
3,108
Radio Communication
81
Farnborough
53
Motive Power
33
Pumping Machinery
21
Locomotives and Rolling Stock Components
11
Sound Reproduction
11
Acoustics
10
Computing & Data Processing
10
Industrial Chemistry
8
Aircraft Propulsion
7
Cinematography
5
Water Supply Metering
5
X-rays
5
Signalling & Telecommunications
4
Electricity Supply
3
Hand and Machine Tools
3
Heating, Cooling and Ventilation
3
Marine Engines
3
Road Transport
3
Collection
Kodak Collection
2
Sir Henry Wellcome's Museum Collection
1
Maker
Mullard Limited
240
British Thomson-Houston Company Limited
212
Osram
200
M-O Valve Company Limited
155
Standard Telephones and Cables Limited
146
RCA Corporation
134
General Electric Company Limited
129
Marconi Osram Valve Company Limited
122
A C Cossor Limited
121
M-O Valve Company Limited; General Electric Company Limited
72
On Display
Science Museum
8
Making the Modern World Gallery
2
Secret Life of the Home Gallery
2
Energy Hall: James Watt and our World
1
Flight Gallery
1
Information Age Gallery: Broadcast
1
Object type
valve
3,416
model - representation
4
model - representation; valve
3
thermionic valve
3
pentode
2
valve; pentode; thermionic valve
2
drain
1
drain; valve
1
headphones
1
valve; headphones
1
Place
England
146
United States
145
England, United Kingdom
122
Germany
64
Canada
42
United Kingdom
18
London
13
London, Greater London, England, United Kingdom
12
Berlin
4
Berlin, Berlin state, Germany
4
Material
metal (unknown)
84
glass
70
plastic (unidentified)
56
cardboard
17
wood (unidentified)
8
brass (copper, zinc alloy)
7
steel (metal)
3
aluminium alloy
2
complete
2
copper (alloy)
2
Date
From
To
filter
Cavity Magnetron Valve
Solenoid magnetic valve
Dunlop's cycle tyre valve of 1891
Dunlop's cycle tyre valve of 1889
Schrader type cycle tyre valve no.1, c. 1937
1937
Early triode valve with electrode-axis vertical
Loewe type 3NF multiple valve complete with socket and base
Loewe type 3NF multiple valve
Hydraulic back pressure valve, part sectioned
Two examples of Thompson's airpump valves
Annular disc valve for Ammonia Compressor
Demonstration triode valve, hand-blown
1950-1974
Original, tubular pattern, De Forest Audion valve, 1907
Original, tubular pattern
Transmitting valve type M.T.1
Valve type B.R. 195, serial No. 150.
R.A.F. valve, type D, W/T
Single grid valve, Bc.
K.H.1 dummy valve
Xtraudion valve
Transmitting valve type 2A
C.A.T.2 dummy valve
Wireless valve
Wireless valve
American V.T. type valve
Ungettered micromesh receiving valve
Mullard triode valve
McVitie Weston valve collection
1928
McVitie Weston valve collection
1933
McVitie Weston valve collection
1927
Osram "C" Valve
McVitie Weston valve collection
1934
UV-204 A type valve
Rectifying valve type M.R.4
Present standard four electrode type valve W/T
D.E.T.3 dummy valve
Wireless valve
McVitie Weston valve collection
1937
Wireless valve
Space charges grid valve No. 67
Wireless valve, Huth L.E.261, German 1923
R valve
T-junction valve and fittings cover
Wireless valve
Single grid valve, C
R valve with wide-pitch grid
Wireless valve
UV-201 type valve
McVitie Weston valve collection
Silica, hard vacuum
Silica, hard vacuum
Valve, Cossor P2
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