Experimental crystal lamps (H7) with a metal rod for the cathode connection to improve heat-sinking
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Experimental crystal lamps (H7) with a metal rod for the cathode connection to improve heat-sinking, part of early light emitting diodes, manufactured at Services Electronics Research Laboratory, England, 1960-1969.
Details
- Category:
- Electronic Components
- Object Number:
- 2012-140
- type:
- lamp
- credit:
- Gift of Prof. J. W. Allen
