WB Model 37-S extension loudspeaker (8-inch) with

Made:
1937 in Trafford
maker:
J T Chapman Limited

Science Museum Group
© The Board of Trustees of the Science Musuem

WB Model 37-S extension loudspeaker (8-inch) with switchable matching, 1937 model

Details

Category:
Radio Communication
Object Number:
1981-1837
credit:
London Borough of Brent