Exhibition & market of machinery ... used by printers ... and kindred trades. Official catalogue of exhibits ed. by L. Wolf (Google eBook)

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1880
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Page 95 - ... brush marks" there are and the fewer tool marks — the better is the effect produced. This is the purpose of the conscientious engraver. A few years ago it was thought that beyond certain formal limits the engraver could not venture. A certain kind of line, it was held, should be used to represent ground; another kind to represent foliage ; another to represent sky ; another, flesh ; another, drapery, and so on. Each sort of line was the orthodox symbol for a certain form, and if by chance or...
Page 73 - At first movable type was used, and it was ingeniously arranged on the larger cylinder. Each column of type was set up on the level, but six or seven columns, for a large newspaper, were nevertheless adjusted side by side. Brass rules of a bevelled shape, or of wedge-like section, were placed between the columns, the •bevel varying according to the curvature of the cylinder. All the columns of type were then adjusted and tightened up to occupy, in polygonal fashion, a portion of the circumference...
Page 286 - The Grammar of Lithography. A Practical Guide for the Artist and Printer, in Commercial and Artistic Lithography and Chromo-Lithography, Zincography, Photo-Lithography, and Lithographic Machine Printing, with an Appendix containing original Recipes for Preparing Chalks, Inks, Transfer Papers, &c.
Page 286 - Stereotyping and Electrotyping. A Guide for the Production of Plates by the Papier Mache and Plaster Processes. With Instructions for Depositing Copper by the Battery or by the Dynamo Machine. Also Hints on Steel and Brass Facing, &c. By FRED. J. WILSON, author of " PrintingMachines and Machine-Printing.
Page 286 - Crown 8vo., cloth, price 2s. ; post-free, 2s. 2d. (Illustrated.) How to Manage a Steam- Engine. A Handbook for all who use Steam-power. Illustrated with examples of different types of Engines and Boilers, with Hints on their Construction. Working, Fixing, &c., Economy of Fuel, &c. By M. POWIS BALE, M.Inst.ME, author of "Woodworking Machinery, its Progress and Construction.
Page 96 - ... art of wood-engraving received in consequence a fresh impulse, and entered into a new liberty, the possibilities of which it is yet too soon to estimate. The promise certainly is very bright, notwithstanding the allowance that must be made for mistakes in all beginnings. Instead of merely symbolizing the work of the artist, the engraver now makes use of all methods by which he can fix on the block, as accurately and perfectly as possible, the original picture that has been put in his hands for...
Page 96 - ... canvas or upon paper, each in his own way, but they were not adepts in the ways of the orthodox and regular draughtsmen on the block. Just here came in the assistance of photography, by which the paintings or drawings on canvas or on paper were transferred directly to the wood. The art of wood-engraving received in consequence a fresh impulse, and entered into a new liberty, the possibilities of which it is yet too soon to estimate.
Page 92 - ... and accessories, flesh-tints, and the expression of features, are all produced by a corresponding variety of lines engraved into the plate. To take an impression from this plate its surface is covered with a thick oily ink so that all the lines are effectually filled. As this smears the entire...
Page 66 - Whoever is acquainted with the present state of science and the mechanical arts, and looks back over the inventions and civilisation which the fourteen centuries subsequent to the introduction of Christianity have produced, and compares them with the advances made during the succeeding four centuries following the invention of printing, will have no doubt as to the effective cause. It is during these last three or four centuries, that man, considered as a species, has commenced the development of...
Page 93 - ... the acid and wax, and is then ready to be printed from in the same manner as a line engraving. From the difference of the two processes it will be seen that the characteristics of line engraving are beautiful precision and symmetry of form, while etching excels in freedom and sketchiness; and while long years of practice are essential to the former, the latter can be produced, after a little technical study, by any one who can draw. Hence when a painter undertakes to engrave one of his own designs,...

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