Film Sizes: One hundred Years of Film Sizes. Almost one hundred film widths and perforations were experimented with. Very cool site. (via Boing Boing)

To know more about film sizes and cameras visit also these links:

Collecting Vintage Film: cameras and projectors. A fantastic site with many information, lots of great links and images.

Small Formats: is a movie-minded site disposed to the art and craft of making cinema: the equipment, methods and techniques used by hundreds of thousands of people over the last one hundred years.

Filmarchief Smalfilmmuseum: collects audiovisual material, documentation and material relating to amateurfilms. It conserves films, organises lectures and screenings.