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" The movement of the upper one was shown by an index that pointed to the right or to the left according to the direction of the motion. "
Iron: An Illustrated Weekly Journal for Iron and Steel Manufacturers ... - Trang 443
được biên tập bởi - 1854
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On the Economy of Machinery and Manufactures

Charles Babbage - 1846 - 982 trang
...; this separates them a very small space from each other, and each in its turn is pushed lengthwise to the right or to the left, according to the direction of the point. This is the usual process, and in it every needle passes individually under the finger of the...

An account of some remarkable applications of the electric fluid to the ...

John Finlaison - 1843 - 154 trang
...through a wire, parallel with and near to a freely suspended magnetic needle, deflected the needle to the right or to the left, according to the direction of the current. Professor Schweiger, of Halle, very soon after invented the wire-coil, or Electro-magnetic...

An Account of Some Remarkable Applications of the Electric Fluid to the ...

John Finlaison - 1843 - 152 trang
...through a wire, parallel with and near to a freely suspended magnetic needle, deflected the needle to the right or to the left, according to the direction of the current. Professor Schweiger, of Halle, very soon after invented the wire-coil, or Electro-magnetic...

Abstracts of the Papers Communicated to the Royal Society of London, Tập 5

Royal Society (Great Britain) - 1851 - 628 trang
...numerical results. " In one experiment I obtained on a piece of heavy glass not compressed, 3° of rotation to the right or to the left, according to the direction of the current : on slightly compressing the glass, I had to turn to the right the eyepiece to 4°, 5°, and...

The London, Edinburgh and Dublin Philosophical Magazine and Journal of Science

1851 - 1248 trang
...And ring wet* in the same plane. When a current was sent round the latter, the needle was deflected to the right or to the left, according to the direction of the current, until a position of equilibrium: between the action of the latter and the earth's magnetism...

Hunt's Hand-book to the Official Catalogues: An Explanatory Guide to ..., Tập 1

Robert Hunt - 1851 - 492 trang
...in the form of a ring or horseshoe, suspended in the centre of the helices, and is deflected either to the right or to the left, according to the direction of the current. The poles of the magnet being equidistant from the earth, the magnet is rendered astatic,...

Hunt's Hand-book to the Official Catalogues: An Explanatory Guide to ..., Tập 1

Robert Hunt - 1851 - 494 trang
...in the form of a ring or horseshoe, suspended in the centre of the helices, and is deflected either to the right or to the left, according to the direction of the current. The poles of the magnet being equidistant from the earth, the magnet is rendered astatic,...

Mechanics' Magazine, Tập 60

1854 - 626 trang
...railway train without effort. Professor Faraday exhibited the apparatus, with index attached, which he had contrived for proving the fallacy of table turning....This little apparatus, when placed under the hands of u practised table-turner, had the curious effect of paralysing his power, when he looked at the index,...

Human physiology v.2, Tập 2

Robley Dunglison - 1856 - 768 trang
...of the upper part of the nose — all the four pairs of eyes lost their front direction, and looked to. the right or to the left, according to the direction of the nose, or of the portion of it that was added. But the effect thus produced is not limited to the mere...

Nomos: An Attempt to Demonstrate a Central Physical Law in Nature

1856 - 248 trang
...made as before, and when it is made, the conductor, c, is found to revolve around the vertical magnet, to the right or to the left, according to the direction of the current. How, then, are we to explain these extraordinary F 2 movements ? M. Ampere, we answer, has...




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