Stop in for a cup of coffee

Unconventional said
Those Cibies were like that. Halogen bulb if I remember right, replaceable. The lens was focused and fluted so that Lo was a long distance fog lamp and Hi was instant daylight for a mile.

View attachment 1715380008 View attachment 1715380009

Unfortunately they were not Ca approved and the CHP officer recognized them immediately while the old man was borrowing the Yota. He was not a happy camper when he handed me that "Fixit" ticket :rofl:

I'm not sure if the H4s were available in UK in 67 or this was an earlier version of the same concept.
rally guys from that era always talk about Lucas Flamethrowers for auxillery lights.
That was the leading edge lighting tech of the day and very far out looking - aethetically anyway. LOL