The Prefocusing Base and Socket for Projection Lamps
This paper describes a special lamp base and a special socket for projection lamps. The lamp filament position is set accurately at the basing operation, so that lamps are interchangeable without socket adjustment in projection equipment.
- Print ISSN
- 0096-6460
- Published
- 1926-01
- Content type
- Original Research
- DOI
- 10.5594/J10320
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