Oak Bluffs, MA old classifieds archive and funnies > Ads By members
> Vintage photoelectric switch
Vintage photoelectric switch
This was given to me with a bunch of darkroom equipment. I don't know the first thing about how to use it, let alone test it. If you are interested in having me test it out, by all means tell me how!
"A Product of Novo Products, Inc.
For best results keep unit out of direct or reflected lamp light and point toward natural light source. Incandescent Only.
