Audio frequency oscillator type A-706-B

maker:
Muirhead and Company Limited
Audio frequency oscillator type A-706-B, no.142661, patent no

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Audio frequency oscillator type A-706-B, no.142661, patent no
Science Museum Group
© The Board of Trustees of the Science Museum

Audio frequency oscillator type A-706-B, no.142661, patent no. 489849, by Muirhead and Co. Ltd.

Details

Category:
Telecommunications
Object Number:
1989-958
type:
audio frequency
credit:
Muirhead Vactric Components Limited