George Eastman was 15 years old. The young George left school early and started working to help support the family. As Eastman began to have success with his photography business, he vowed to repay his mother for the hardships she had endured in raising him. In 1884, Eastman patented the first film in roll form to prove practicable; he had been tinkering at home to develop it. In 1888, he perfected the Kodak Black camera, which was the first camera designed to use roll film. In 1889 he first offered film stock, and by 1896 became the leading supplier of film stock
Kodak Stereo Camera photography. The film counter was the countdown type, which would be manually set when film was loaded according to how many pairs the roll could take. The number 20 was in red and there were red marks at 15 and 28, for use with standard 20 and 36 exposure rolls of film. A properly loaded 24 exposure roll of film will give 18 stereo pairs, but there is no special marking as 24 exposure rolls of film were not standard at the time the camera was produced. Opposite the counter was another manually set dial which indicated whether the cameras