voltage ratio box

Made:
circa 1937 in England
voltage ratio box

License this image for commercial use at Science and Society Picture Library

License

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

Cambridge Instrument Company Limited voltage ratio box, c. 1937

Details

Category:
Electricity Supply
Object Number:
Y7001.203
Measurements:
150 mm x 270 mm x 225 mm,
type:
resistor - resistance box