Sterling two-valve audio amplifier, c 1925.
3 6 c m
40cm
actual image size: 32cm x 28cm

Sterling two-valve audio amplifier, c 1925.

© Science Museum / Science & Society Picture Library

Description

By the 1920s valves were effective amplifiers and could be used in the home to drive loudspeakers. This amplifier gave out as much power as a modern transistor radio.
 

Image Ref.

10252194
 

buy a print

Select size
 
Select finish
 
How many prints?
 
£20.00
 

buy a framed print

buy a canvas

buy a framed canvas