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Scientific American, Vol. 89, No. 20 (November 1903) (1903)

leaf 7

An illustration from Scientific American, Vol. 89, No. 20 (November 1903), 1903, leaf 7
GRAPHOTYPE KEYBOARD. rent over a cable to a magnet or magnets, which oper-ate pins that locate the matrix over the mold in theproper position for casting the character or space re-quired, and at the same time set the mold for thesize of the character or space called for. The mold … TYPEWRITTEN SHEET, PERFORATED TAPE AND LARGEAND SMALL MATRICES. * and the matrix are then brought together, and a pump,which rests in the melting pot, is set in motion, forc-ing the metal through a small tube over a foot longinto the mold, filling out the character or space inthe matrix. The type…

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