330 metre Piezo-electric resonator in bakelite box

330 metre Piezo-electric resonator in bakelite box

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330 metre Piezo-electric resonator in bakelite box
Science Museum Group
© The Board of Trustees of the Science Musuem

330 metre Piezo-electric resonator in bakelite box

Details

Category:
Radio Communication
Object Number:
1925-402
type:
resonator
credit:
Adam Hilger Limited