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Bulb and Lamp
Online Library - Reference Material

I have many old bulb and lamp manuals and catalogs which I'm scanning in my spare time to upload to my website for your free use. Please note that most, if not all of these are copyrighted, so please feel free to CHECK-OUT my library books for your private personal use, but of course you aren't allowed to copy any copyrighted material without consent of the copyright holder. If you are the copyright owner of any of these works and you believe that my "non-commercial" online free library is in violation of your copyright, email me, telling me exactly which works you own the copyright, furnish me with proof of copyright ownership, and tell me exactly which section and paragraph of US copyright law that you believe I'm violating. If I agree a violation has occurred, I'll immediately remove the offending material. Otherwise...

Enjoy! - Don Schnapp

FULL extended bulb cross-reference for machines: Equipment Lookup
Charts and info about bulb failures & defects.
Jokes and light humor.
A couple of light puzzles.

history of the
incandescent lamp

first edition
1927

projection lamp rule PATTERN

download this free pattern; print out and make your own projection lamp ruler.

original for sale: $50

Or, download my new &

improved pattern

General Electric
projector cross-reference rolodex

date unknown, but probably from mid 1970's. About 1000 cards containing bulb (and alternate bulb) cross-references. Some show projector photo and summary description.