ubid.com - The Marketplace you can Trust
On-line auction house.
PIRA 200
Contains a descriptive list of the 200 most common and most used physics
demonstrations, as determined by a large committee of physics instructors and lab ...
Shopzilla - Product Reviews and Price Comparison on Computers ...
Shopping search offering price comparison, reviews and store ratings.
RAL Sales Film Projector Bulbs, Lamps & Film Hobby related Items ...
Repair and restore antique & vintage film projectors. Also supply films, bulbs
and parts. Specialize in Ampro, B&H and Kodak products.
WJ's Infrared & Photography Homepage
Information on infrared photography, filters, fisheyes, tilt/shift lenses,
panoramic cameras, and microscopic lenses.
Projector Lamps Specialist
Offers replacement projector lamps and bulbs for business and home theater
including rear projection big screen, LCD and DLP lamps.
A History of Light and Lighting
Provides references to people, events and inventions in chronological order, and
a bibliography.