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 151
serve to operate the different devices in the machine. At the right-hand upper part in our illustration is the metal-pot, heated by gas, and the piston which drives the melted metal into the mold; on the left is the spool which carries the perforated paper band and the mechanism controlled thereby.… … ELECTROTYPOGRAPH CASTING MACHINE. die case containing all the matrices to correspond with perforations in the paper band. This band passes over a small copper cylinder and is kept in close contact with it by two rubber rollers, and reg¬ ulated by the guide holes in the band. Seven fingers 133
Typesetting machines
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