Acoustics equipment, 7404A. Box is marked with: ??z, A.P

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Acoustics equipment, 7404A. Box is marked with: ??z, A.P
Science Museum Group
© The Board of Trustees of the Science Museum

Acoustics equipment, 7404A. Box is marked with: “↑z, A.P. 7404A, NR15A".

Details

Category:
Acoustics
Object Number:
1947-224/47
type:
acoustics equipment
credit:
Admiralty (Tactical & Staff Duties Division)