Two cathode ray tubes

Made:
circa 1950 in United Kingdom
Two cathode ray tubes

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

Buy

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

License

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

Two digital display cathode ray tubes - first marked KM14 displays four binary digits, second type LD548 marked KM12 displays single digit (nixi-tube style). c.1950

Details

Category:
Electronic Components
Object Number:
2003-185
Materials:
glass, metal composites
Measurements:
: 140 x 37 mm
type:
semi-conductor
credit:
GEC Hirst Research Centre