1982 Sportster
Donald Bell and Albert Howell incorporated their company in Chicago in February 1907. They began almost immediately to focus on the standardization of film perforations, and their first product was their Film Perforating Machine.
Continuous Printer and Motion Picture Camera Were Early Products
With the success of the perforator under their belt, the partners next focused on creating machinery which would make high film production volume possible, and their Continuous Printer was the result. It appeared in 1908 and displaced the market’s existing step printer. This equipment increased production from between 17-20 feet of film per minute to 60 feet per minute or more.
The Bell and Howell Company next devoted itself to developing a motion picture camera. Since steadiness of the image on the screen was an issue, they developed a way to register each frame of the film in the camera and called it “Unit I” or shuttle movement. This was a radical departure from what the rest of the industry was doing. It stabilized the film with two stationary pilot pins, thus accommodating any minor variations in perforations. This insured not only steadiness but the ability to perform intricate multiple-exposure work.
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