Since I am restoring the headlights, I want to get all the correct parts/pieces. The actual sealed beam that goes into our 356's is an interesting trail to go down. Back in 2005 I owned an early '66 912 and was restoring the headlights for it. I researched pretty hard at that time and here is a link to a brief discussion of this on the 912 Registry website: https://www.912bbs.org/forum/threads/headlight-question.15988/
Since that time I have lost my research. However, I do remember some of the information. Sealed beam headlights were a US thing- not used in Europe where our favorite sports car manufacturer was located. The US market was the dominant use of sealed beam headlights and there were a few large manufacturers stateside. If memory serves me correctly, the largest back then was Tung-Sol. Reference this Wikipedia page for more on them: https://en.wikipedia.org/wiki/Tung-Sol This was a US company based in New Jersey and a supplier to many car manufacturers. I know many think of GE, but on original early Porsche cars I could find at the time, very few had GE lights and many had Tung-Sol.
So, I can't prove it, but I am going with NOS Tung-Sol sealed beams in Miss April.
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