Patents for Inventions: Abridgments of Specifications Relating to Printing, Including Therein the Production of Copies on All Kinds of Materials, Band 1G. E. Eyre and W. Spottiswoode, printers to the Queen's most excellent Majesty, 1859 - 642 Seiten |
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Seite xxx
... obtained the laws of magnetic action are assigned in reference to the needle's centre of motion . By this arrangement an equilibrium is obtained between three forces , viz . , the magnetic force of the needle , the directive force , and ...
... obtained the laws of magnetic action are assigned in reference to the needle's centre of motion . By this arrangement an equilibrium is obtained between three forces , viz . , the magnetic force of the needle , the directive force , and ...
Seite xlix
... obtained proofs of the existence of atmospheric electricity . ( See Encyclpædia Metropolitana , Vol . IV . , art . Electricity , p . 134 ; also De la Rive's Treatise on Electricity , Vol . III . , p . 92. ) FRANKLIN , in June 1752 ...
... obtained proofs of the existence of atmospheric electricity . ( See Encyclpædia Metropolitana , Vol . IV . , art . Electricity , p . 134 ; also De la Rive's Treatise on Electricity , Vol . III . , p . 92. ) FRANKLIN , in June 1752 ...
Seite lx
... obtained from the ordinary pile . ( See Encyclopædia Metropolitana , Vol . IV . , art . Galvanism , p . 206. ) Sir HUMPHREY DAVY , about the year 1813 , discovered the convective discharge between charcoal or carbon elec- trodes ...
... obtained from the ordinary pile . ( See Encyclopædia Metropolitana , Vol . IV . , art . Galvanism , p . 206. ) Sir HUMPHREY DAVY , about the year 1813 , discovered the convective discharge between charcoal or carbon elec- trodes ...
Seite lxx
... obtained by inter- rupting the electric current , and then restoring it , could " not be applied with advantage in mechanical science ; " 1833. and in January 1833 , he exhibited before the Mechanics ' Society a machine in which this ...
... obtained by inter- rupting the electric current , and then restoring it , could " not be applied with advantage in mechanical science ; " 1833. and in January 1833 , he exhibited before the Mechanics ' Society a machine in which this ...
Seite lxxv
... obtained in a metallic state , and potassium , sodium , and ammonium as amalgams . ( See Philosophical Transactions , 1837 , p . 37 ; also Dr. Golding Bird's Natural Philosophy , p . 240. ) Professor MORSE says that the idea of an ...
... obtained in a metallic state , and potassium , sodium , and ammonium as amalgams . ( See Philosophical Transactions , 1837 , p . 37 ; also Dr. Golding Bird's Natural Philosophy , p . 240. ) Professor MORSE says that the idea of an ...
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Patents for Inventions: Abridgments of Specifications Relating to Printing ... Great Britain Patent Office Keine Leseprobe verfügbar - 2017 |
Patents for Inventions: Abridgments of Specifications Relating to Printing ... Great Britain Patent Office Keine Leseprobe verfügbar - 2017 |
Häufige Begriffe und Wortgruppen
66 Printed 66 This invention action alarum alloys apparatus applied armature arrangement attached axis battery pole cable carbon cells centre clock clockwork coating coil communication compass conductor conjoined series connected copper cylinder deflection deposited described and shown dial disc electric circuit electric current electric telegraph electro-magnet electrode electrotype employed Encyclopædia Britannica Encyclopædia Metropolitana engine fixed fluid galvanic battery galvanometer glass gutta percha heat helices Improvements instrument insulated wire invention consists Letters Patent lever line wire local battery London Journal Newton's machine magnetic needle means Mechanics mercury metal method motion moveable moved nitric acid obtained passing permanent magnet piece piston placed plate platinum pointer position produced pulley purpose Repertory of Arts revolving ring rollers rotating screw shaft signal silver soft iron solution spring station suitable sulphate sulphuric acid surface telegraph wires transmitting tricity tube type wheel vessel voltaic zinc
Beliebte Passagen
Seite 116 - 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 xliii - Canst thou lift up thy voice to the clouds, That abundance of waters may cover thee? Canst thou send lightnings, that they may go, And say unto thee, Here we are?
Seite 163 - ... is deflected to one side or the other, according to the direction in which the current is transmitted.
Seite 95 - 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 xli - 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 lxxviii - 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 55 - 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 lxxv - 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.
Seite 723 - Ireland, Baronet, for certain improvements in obtaining motive power, and in applying it to propel carriages and vessels, and to the driving of machinery.