Sterling two-valve audio amplifier, c. 1925

Sterling two-valve audio amplifier, c. 1925

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Sterling two-valve audio amplifier, c. 1925
Science Museum Group
© The Board of Trustees of the Science Musuem

Sterling two-valve audio amplifier, c. 1925

Details

Category:
Radio Communication
Object Number:
1970-652
type:
amplifiers
credit:
Ekco Instruments Limited