Found 4 of these vintage 4x F20 preheaters at a antique shop. They appear to be still preheat as some of the starters are still in place but none came with lamps. I'm not sure if these used 4 choke ballasts or two tulamp ballasts. I didn't get them though as they wanted $75 each for one.
I think most people would probably pay 75 bucks jsut for the lamps lol. I'd have to pass up the lamps though if they were that expensive. Something like a NOS mazda lamp should be preserved but i don't want to spend 75 bucks on a lamp that's only for show lol.
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