Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 354
Fig. 149.—Inking Balls. Fig. 150.—Inking Roller. ink which it was their duty to manipulate. For the ink was formerly alwayslaid upon large round pads or balls of leather, stuffed with wool. Whenthese balls. Fig. 149, which were, perhaps, about 12 in. in diameter, hadreceived a charge of ink, the…
Inventions
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