The Franklin Institute
The Franklin Institute: A Century of Development
The Franklin Institute looks at the invention of the Brownie camera, which helped put photography into the hands of amateurs and allowed the middle class to take their own snapshots as well in the early 20th century.
Wikimedia
Wikipedia: Celluloid
Wikipedia provides a definition of celluloid, the name of a class of compounds created from nitrocellulose and camphor, and shows how it was used to create such inventions as movie film.
Other
Stanford University: Cellulose Nitrate
Background and chemical information on the precursor chemical to celluloid.
Other
Prince Edward Island: Behind the Eight Ball
Interesting historical article about the driving force behind the invention of celluloid.
Other
American Plastics Council: The History of Plastics
This site from the American Plastics Council provides a brief history of all major developments of fibers and plastics including the early invention of rayon. Very interesting and informative, it also includes a timeline for easier...