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 71
PULSOMETER DISTRIBUTING MACHINE.
Typesetting machines
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
