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Cavity Magnetron Valve

Radio Communication

McVitie Weston valve collection, Royal Ediswan valve, type R

Electronic Components

McVitie Weston valve collection, Nelson Multi valve

Electronic Components

1923

Wade Bequest collection of valves: R-type triode radio valve, by Marconi-Osram

Electronic Components

McVitie Weston valve collection, Mazda valve, type PP3521

Electronic Components

1935

Regulator valve consisting of brass tube and sliding cap with wooden cylinder and mounting board, intended for use on a steam engine. Taken from the contents of the private workshop of James Watt from his house of Heathfield, Birmingham, where he lived from 1790 to his death in 1819.

Regulator valve with wooden mounting board from steam engine.

James Watt's Garret Workshop

1790-1819

Wireless valve, Ediswan U3, 1918, half wave rectif

Electronic Components

McVitie Weston valve collection, Western Electric valve, type 211-E

Electronic Components

McVitie Weston valve collection, valve, type VT61/15

Electronic Components

1943

McVitie Weston valve collection, Cossor valve, type V3

Electronic Components

Wade Bequest collection of valves: Marconi-Osram Valve radio valve type U50

Electronic Components

McVitie Weston valve collection, valve, type CV52

Electronic Components

McVitie Weston valve collection, Raytheon valve, type 79

Electronic Components

c. 1934

Avo valve characteristic meter Mk. IV

Radio Communication

McVitie Weston valve collection, Ediswan valve, type experimental diode

Electronic Components

McVitie Weston valve collection, Mullard valve, type VR91

Electronic Components

McVitie Weston valve collection, Ken-Rad valve, type 6F7

Electronic Components

1934

McVitie Weston valve collection, Ediswan valve, type NR4C

Electronic Components

1925

McVitie Weston valve collection, Osram valve, type P625

Electronic Components

1928

McVitie Weston valve collection, Mullard valve, type DFA1

Electronic Components

McVitie Weston valve collection, RCA valve, type 12A6

Electronic Components

-1940

McVitie Weston valve collection, RCA Cunningham Radiotron valve, type 45

Electronic Components

McVitie Weston valve collection, Sator valve, type A11

Electronic Components

Rectifying valve, 75 kV, 500 mA, oil immersed (KR6 - G.E.C. - No. 2267)

X-rays

1940-1962

Wade Bequest collection of valves: RCA type 9004 radio valve

Electronic Components

Wade Bequest collection of valves: Telefunken type RV12P200? radio valve

Electronic Components

Wade Bequest collection of valves: large experimental transmitting radio valve

Electronic Components

Wade Bequest collection of valves: Marconi-Osram Valve radio valve X41

Electronic Components

Wade Bequest collection of valves: UV202 triode radio valve, by RCA-Radiotron

Electronic Components

Wade Bequest collection of valves: type Y61 radio valve

Electronic Components

Wade Bequest collection of valves: Marconi-Osram Valve radio valve type D43

Electronic Components

Wade Bequest collection of valves: Marconi Osram type B319 / PCC84 radio valve

Electronic Components

McVitie Weston valve collection, valve, type V.U.120A

Electronic Components

McVitie Weston valve collection, valve, type VU133

Electronic Components

c. 1943

McVitie Weston valve collection, valve, type CV199

Electronic Components

McVitie Weston valve collection, Tungsram valve, type P26/500

Electronic Components

McVitie Weston valve collection, National Union valve, type 77

Electronic Components

1934

McVitie Weston valve collection, Cosmos valve, type SP55 RED

Electronic Components

1926

McVitie Weston valve collection, RCA Cunningham Radiotron valve, type 41

Electronic Components

1934

McVitie Weston valve collection, Mullard valve, type 164V

Electronic Components

McVitie Weston valve collection, Britannia valve, type H.F.

Electronic Components

McVitie Weston valve collection, Mazda valve, type U.U.2

Electronic Components

McVitie Weston valve collection, Western Electric Wecovalve valve, type 4215A

Electronic Components

Wade Bequest collection of valves: experimental Catkin triode radio valve by Marconi-Osram

Electronic Components

McVitie Weston valve collection, valve, type CV1090

Electronic Components

1943

McVitie Weston valve collection, valve, type CV15

Electronic Components

McVitie Weston valve collection, valve, type VU134

Electronic Components

McVitie Weston valve collection, valve, type CV35

Electronic Components

McVitie Weston valve collection, valve, type V.R.57

Electronic Components

McVitie Weston valve collection, Hivac midget valve type XD

Electronic Components

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