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Scientific American, Vol. 78, No. 16 (1898) (1898)

leaf 10

An illustration from Scientific American, Vol. 78, No. 16 (1898), 1898, leaf 10
ading cannon that any one should write his own name twice in fine hand ; second, he must be able to kill all of the charac- antedated Leonardo, though he made substantial im- lines so that one can be superposed on the other. ‘The teristics in his own hand; third, he must know all of provements in… … immediately seen in the altered and kettles,” and were intended to hurl ex- scrawling penmanship. And yetthrough LEONARDO DA VINCI. plosives and burning shot. Hollow shot it all individuality of penmanship is re- could be used with these devices, as is tained. existence of such a coincidence of…

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