The invention of printing : a collection of facts and opinions descriptive of early prints and playing cards, the block-books of the fifteenth century, the legend of Lourens Janszoon Coster, of Haarlem, and the work of John Gutenberg and his associates (1878)
De Vinne, Theodore Low, 1828-1914 · New York : F. Hart · leaf 314
is paper maskcaused the false letters to be printed in black; on one otherpage the mask slipped so trivially that one-half of the falsetypes was printed in black, while the other half was embossedin white ; on another page the maskslipped over the text type, and ob-scured the end of the line.… … A C The Frisket.C B The Tympan.B D The Bed. The Frisket, Tympan and Bed of a European Hand Printing Press. The operation of presswork beginswith inking the form on the bed of thepress, which, in this illustration, is sup-posed to contain a form not unlike thatof the Speculum, nested in a chase…
Printing -- History Origin and antecedents
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