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 64
her snugly in every part but the centre, in which provision is made for a small opening which can be increased or diminished in a lateral direction only. One end of this opening is closed by the matrix ; the other end is the jet, or the mouth-piece through which the melted metal FiSure 3- The Other…
Printing -- History Origin and antecedents
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