Patents for Invention: Abridgements of Specifications Relating to Printing, Including Therein the Production of Copies on All Kinds of Materials, (excepting Felted and Textile Fabrics,) by Means of Types, Stereotype, Blocks, Plates, Stone, Dies, Stencil Plates, Paper Writings, Electrochemicals, and LightG.E. Eyre and W. Spottiswoode, printers to the Queen's most excellent Majesty, 1859 - 642 pagine |
Dall'interno del libro
Risultati 1-5 di 33
Pagina 29
... nitric acid , and then pressed with considerable force by a roller on a perfectly clean surface of zinc . The acid with which the unprinted part of the paper is saturated etches the metal , and the printed portion " sets off " on it ...
... nitric acid , and then pressed with considerable force by a roller on a perfectly clean surface of zinc . The acid with which the unprinted part of the paper is saturated etches the metal , and the printed portion " sets off " on it ...
Pagina 30
... nitric acid ( a ) . The invention was a foreign one , and was first practised as a pro- found secret . Early in October 1841 the editor of the " Athenæum " received from a correspondent at Berlin a reprint of four pages of the copy of ...
... nitric acid ( a ) . The invention was a foreign one , and was first practised as a pro- found secret . Early in October 1841 the editor of the " Athenæum " received from a correspondent at Berlin a reprint of four pages of the copy of ...
Pagina 209
... nitric acid . The compo- sition is then washed off with spirits of turpentine . For intaglio patterns the portions of the surface eaten away would be the design or pattern . The next is a mode of printing paper , calicoes , silks , and ...
... nitric acid . The compo- sition is then washed off with spirits of turpentine . For intaglio patterns the portions of the surface eaten away would be the design or pattern . The next is a mode of printing paper , calicoes , silks , and ...
Pagina 210
... nitric acid dissolved in water . The plate is finally cleaned by sprinkling it with powdered pounce , or pumice powder , or calcined venetian tripoli , and slightly rubbing it with carded cotton . It is then exposed to heat until the ...
... nitric acid dissolved in water . The plate is finally cleaned by sprinkling it with powdered pounce , or pumice powder , or calcined venetian tripoli , and slightly rubbing it with carded cotton . It is then exposed to heat until the ...
Pagina 221
... nitric or muriatic acid ( 1 ) and gum water ( 6 ) thrown over the whole , by which the unprotected parts are etched or bitten in . " The ground and the drawing are then washed off with spirits " of turpentine , and the plate or stone is ...
... nitric or muriatic acid ( 1 ) and gum water ( 6 ) thrown over the whole , by which the unprotected parts are etched or bitten in . " The ground and the drawing are then washed off with spirits " of turpentine , and the plate or stone is ...
Altre edizioni - Visualizza tutto
Patents for Inventions: Abridgments of Specifications Relating to ..., Volume 1 Great Britain. Patent Office Visualizzazione completa - 1859 |
Patents for Inventions: Abridgments of Specifications Relating to Printing ... Great Britain Patent Office Anteprima non disponibile - 2017 |
Patents for Inventions: Abridgments of Specifications Relating to Printing ... Great Britain Patent Office Anteprima non disponibile - 2017 |
Parole e frasi comuni
66 Printed 66 The invention acid applied arranged block calotype carriage cast cloth coated color composed conjoined series copies copper Drawings drum electrotype embossing employed endless engraved Enrolment Office fixed frame frisket furnished glass grooves gutta percha impression Improvements in printing inclined plane inking apparatus inking rollers invention consists invention relates letters Letters Patent lever lines lithographic London Journal Newton's mandril manner manufacture material matrix means Mechanics ments metal metal leaf mode motion mould move moveable nitric acid obtained ordinary ornamental paper passing pattern piece placed plate platen pressing cylinder pressure printers printing cylinder printing machines printing presses printing rollers printing surface produced purpose ratus Repertory of Arts revolving Rolls Chapel Reports screw shaft sheet side sliding solution spring stereotype stone substances suitable transferred trough roller tympan type metal type table varnish wheel wood zinc
Brani popolari
Pagina 14 - An Inquiry into the Origin and Early History of Engraving upon copper and in wood. With an account of Engravers and their works from the invention of Chalcography by Maso Finiguerra to the time of Marc
Pagina 34 - AN ACCOUNT OF A METHOD OF COPYING PAINTINGS UPON GLASS, and of making Profiles, by the agency of Light upon Nitrate of Silver.
Pagina 83 - An act for the encouragement of learning, by vesting the copies of printed books in the authors or purchasers of such copies...
Pagina 37 - Act, or any part thereof, in nowise extend or be prejudicial of any let, hurt, or impediment to any artificer or merchant stranger, of what nation or country he be or shall be of, for bringing into this realm, or selling by retail or otherwise, of any manner of books written or imprinted.
Pagina 84 - An artificial machine or method for the impressing or transcribing of letters singly or progressively one after another, as in writing, whereby all writings whatsoever may be engrossed in paper or parchment so neat and exact as not to be distinguished from print...
Pagina 129 - Newspaper, which were taken off last night by a mechanical apparatus. A system of machinery, almost organic, has been devised and arranged, which, while it relieves the human frame of its most laborious efforts in printing, far exceeds all human powers in rapidity and despatch.
Pagina 77 - English itself to a clean contrary and different sense, unknown to any but the correspondent, and not to be read or understood by him neither, if opened before it arrive unto him ; so that neither threats, nor hopes of reward, can make him reveal the secret, the letter having been intercepted, and first opened by the enemy.
Pagina 3 - Patents are now so numerous and costly as to render their purchase inconvenient to a large number of inventors and others, to whom they have become indispensable. To obviate this difficulty, short abstracts or abridgments of the Specifications of Patents under each head of invention...
Pagina 11 - Annals of the coinage of Great Britain and its dependencies ; from the earliest period of authentic history to the reign of Victoria.