Vari-Typer is the brand name of a variable-spacing typewriter used between the 1930s and the early 1980s in printing, as well as for the production of office documents of typographic quality.
Hammond 1 typewriter, 1885
A typewriter is a mechanical or electromechanical machine for typing characters. Typically, a typewriter has an array of keys, and each one causes a different single character to be produced on paper
Mechanical typewriters, such as this 1930s Underwood, were long-time standards in government agencies, newsrooms, and offices.