Telefunken valve Type E V N 171 - 1918

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

Telefunken valve Type E V N 171 - 1918

Details

Category:
Electronic Components
Object Number:
1970-441
credit:
Central Electricity Research Laboratories.