
4 0 c m
33cm
actual image size: 25cm x 32cm
Description
Museum visitors looking at an exhibit, using a hand-held radio receiver and earphone intended for receiving signals from a low-powered transmitter. They were used experimentally at the Science Museum, London, in 1961 for providing personal audio commentaries in the Museum's galleries. The telesonic lorgnettes were made by A&M Hearing Aids Ltd.
Image Details
Image Ref.
10456366
© Science Museum / Science & Society Picture Library