P.M.4D.X valve with holder made by the Mullard Co.

Made:
circa 1940 in London
SMG00243498 P.M.4D.X valve with holder made by the Mullard Co., c.1940

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SMG00243498
Science Museum Group
© The Board of Trustees of the Science Musuem

P.M.4D.X valve with holder made by the Mullard Co., c.1940
Science Museum Group
© The Board of Trustees of the Science Museum

P.M.4D.X valve with holder made by the Mullard Co., c.1940.

Details

Category:
Electronic Components
Object Number:
Y7000.1277
Measurements:
Overall: 112 mm 55 mm,
type:
thermionic valve