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
135 film popularity, as well as the entire company legacy, early Leica cameras are considered as highly collectible items these days. The original Leica prototype holds the record as being the world's most expensive camera, selling for €2.16 million in 2012. In the earliest days, the photographer had to load the film into reusable cassettes and, at least for some cameras, cut the film leader. In 1934, Kodak introduced a "135" daylight-loading single-use cassette. This cassette was engineered so that it could be used in both Leica and Zeiss Ikon Contax cameras along with the camera for which it was invented, namely