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Tuesday, December 28, 2010

1157 Light Bulb

I was surprised a few days ago to discover that the brake lights in the late model Mom-mobile were ancient technology, which got me to wondering just how ancient they were. Poking around on the web I didn't find much, so I wrote to Sylvania, and surprise, surprise! They replied with a copy of the 1157 Patent document from 1965, which included this very nice drawing.

Just to complete the circle: the patent document was digitized by Google, which means it is probably stored on a Google server somewhere. That is somewhere else besides where my copy is stored. I just don't know where.

Update March 2016 replaced missing picture.

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