History of composing machines; a complete record of the art of composing type by machinery ... also lists of patents on composing machines, American and British, chronologically arranged (1904)
Thompson, John S. (John Smith), 1872- · Chicago, Inland Printer Co · leaf 108
invented by R. H. St. John, of Cleveland, Ohio, in 1890. Since then the machine has undergone many modifications. The matrices, which were of hardened steel, were stored in banks in the magazine, and were … ST. JOHN TYPOBAR. released by the operation of the keyboard and assembled in a line. The line of intaglio matrices was then transferred to where a type-bar, made up 90
Typesetting machines
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
