Wireless valve, 7405A

PART OF:: ASDIC Equipment, complete with spares, suitably modified for exhibition, 1944

Made:: 1940

maker:: Mullard Radio Valve Company Limited

Wireless valve, admiralty pattern 7405A made by the Mullard

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Wireless valve, admiralty pattern 7405A made by the Mullard
Science Museum Group
© The Board of Trustees of the Science Museum

Wireless valve, admiralty pattern 7405A made by the Mullard Radio Valve Company Limited, Mitcham in May 1940. Type NR16A. Tested at the H.M Signal School, Portsmouth.

Details

Category:: Acoustics

Object Number:: 1947-224/56

type:: valve

credit:: Admiralty (Tactical & Staff Duties Division)

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Wireless valve, 7405A

Details

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