Giuseppe Ravizza Giuseppe Ravizza Giuseppe Ravizza, a prolific typewriter inventor, was born in Novara, Italy in 1811 (died 1885), and spent nearly 40 years of his life obsessively grappling with the complexities of inventing a usable writing machine. He called his invention "" because of its piano-type keys and keyboard. The story of the 16 models he produced between 1847 and the early 1880s is described in "The Writing Machine" and illustrated from Ravizza’s 1855 patent, which bears similarities to the later upstroke design of the Sholes and Glidden typewriter. In 1868, the American Christopher Latham Sholes (1819-1890) patented, on behalf of
Latham loop Latham loop The Latham Loop is used in film projection and image capture. It isolates the filmstrip from vibration and tension, allowing movies to be continuously shot and projected for extended periods. Invention of the Latham loop is usually credited to film pioneers William Kennedy Laurie Dickson and Eugene Lauste. Both men worked with Woodville Latham, developing a motion picture camera and projector in 1895. Dickson later acknowledged Lauste as inventor of the loop, though rival claims were made in support of another Latham associate, engineer Enoch J. Rector, who used the technology to shoot an hour-and-a-half-long documentary film, "The