Ford Typewriter Ford Typewriter The Ford typewriter was an early prototype typewriter introduced in 1895 by Eugene A. Ford, who later became chief development engineer at IBM (no relation to Henry Ford who founded the Ford Motor Company). It was a commercial failure and only a few were manufactured. Unlike many competing typewriters of this time, it was a forward-striking machine, meaning the hammer struck forward against the paper which was held against the platen roller, instead of up from underneath. This allowed the typist to see the text as it was typed, which was not possible in most other typewriters of
Roller mill Roller mill Roller mills are mills that use cylindrical rollers, either in opposing pairs or against flat plates, to crush or grind various materials, such as grain, ore, gravel, plastic, and others. Roller grain mills are an alternative to traditional millstone arrangements in gristmills. Roller mills for rock complement other types of mills, such as ball mills and hammermills, in such industries as the mining and processing of ore and construction aggregate; cement milling; and recycling. Two-roller mills Two-roller mills are the simplest variety, in which the material is crushed between two rollers before it continues on to its final