Patents for Inventions: Abridgments of Specifications Relating to Printing, Including Therein the Production of Copies on All Kinds of Materials, Band 1
G. E. Eyre and W. Spottiswoode, printers to the Queen's most excellent Majesty, 1859 - 642 Seiten
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Patents for Inventions: Abridgments of Specifications Relating to Printing ...
Great Britain Patent Office
Keine Leseprobe verfügbar - 2017
according acid action apparatus applied armature arrangement attached attraction axis battery break cable carrying cause cells centre circuit coating coil combination communication compass completed conducting connected consists construction containing copper covered cylinder deposited described and shown direction disc distance effect electric current electric telegraph electro-magnet electrode employed enable engine excited fixed force frame galvanic battery give glass gutta percha heat Improvements indicator insulated invention iron Journal lead letter lever light line wire machine magnets manner material means Mechanics metal method motion mounted moved needle obtained opposite passing Patent piece placed plate poles portion position preferred prevent Printed produced Protection receiving revolving ring rollers round screw separate shaft side signal silver similar solution Specification spring station steel substances suitable surface telegraph train transmitting tube vessel wheel wire zinc
Seite 114 - Holborn, electrical engineer, for improvements in electric telegraphs, and in the arrangements and apparatus to be used therein and therewith ; part of which improvements are also applicable to timekeepers, and other useful purposes.
Seite 161 - ... is deflected to one side or the other, according to the direction in which the current is transmitted.
Seite 93 - The effect of a current going through the coil of wire is to turn the coil in one direction or the other according to the direction of the current...
Seite xxxix - They give the diamagnetic the power of rotating the ray ; and the law of this action on light is, that if a magnetic line of force be going from a north pole or coming from a south pole, along the path of a polarized ray coming to the observer, it will rotate that ray to the right hand ; or, that if such a line of force be coming from a north pole or going from a south pole, it will rotate such a ray to the left hand.
Seite lxxvi - JACOBI, at St Petersburg!), has also made a discovery which promises to be of little less importance to the arts. He has found a method — if we understand our informant rightly — of converting any line, however fine, engraved on copper, into a relief, by galvanic process. The Emperor of Russia has placed at the Professor's disposal, funds to enable him to perfect his discovery.
Seite 53 - Thomas Spencer, of Liverpool, carver and gilder, for an improvement or improvements in the manufacture of picture and other frames, and cornices ; applicable also to other useful and decorative purposes.
Seite lxxiii - The copper plate is also covered with a coating of metallic copper, which is continually being deposited ; and so perfect is the sheet of copper thus formed, that being stripped off, it has the counterpart of every scratch of the plate on which it is deposited.