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

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Taylor & Francis, 1883
 

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Página 440 - This force consists in the action only; and remains no longer in the body, when the action is over. For a body maintains every new state it acquires, by its vis inertice only. Impressed forces are of different origins as from percussion, from pressure, from centripetal force.
Página 155 - The change in the number of lines of force passing through the coil in the same direction relatively to the coil, produced by the half-turn, is plainly equal to twice as many times the area of the turn of mean area as there are turns in the coil (the effective area swept over) multiplied by the total intensity of the earth's magnetic force at the place of experiment.
Página 260 - Were it not for the ice, the summers of North Greenland, owing to the continuance of the sun above the horizon, would be as warm as those of England ; but, instead of this, tho » Tyndall, " On Heat,
Página 320 - THE ANNALS AND MAGAZINE OF NATURAL HISTORY, INCLUDING ZOOLOGY, BOTANY, AND GEOLOGY. MONTHLY, PRICE 2s.
Página 149 - Compliments, and desire he will take upon him the Command, as he is the most capable among them. That he will take Possession of the great Cabin ; and, on his accepting the Office, he is led into the Cabin in State, and placed at a Table, where only one Chair is set at the upper End, and one at the lower End of the Table for the Company's Quarter-Master. The Captain and he being placed, the latter...
Página 440 - An impressed force is an action exerted upon a body, in order to change its state, either of rest, or of moving uniformly forward in a right line. This force consists in the action only and remains no longer in the body when the action is over. For a body maintains every new state it acquires, by its inertia only. Impressed forces are of different origins, as from percussion, from pressure, from centripetal force.
Página 65 - Edition, 8vo, 21s. Memoir of Sir William Hamilton, Bart., Professor of Logic and Metaphysics in the University of Edinburgh. By Professor VEITCH of the University of Glasgow.
Página 76 - If it should be inconvenient to the Author that his Paper should be read on any particular days, he is requested to send information thereof to the SECRETARIES in a separate note.
Página 199 - ... by Cornu upon gratings purposely constructed with an increasing interval. He has also shown how to rule a plane surface with lines so disposed that the grating shall of itself give well-focused spectra. • "In the same way we may conclude that in flat gratings any departure from a straight line has the effect of causing the dust in the slit and the spectrum to have different foci — a fact sometimes observed " (Rowland, " On Concave Gratings for Optical Purposes,
Página 157 - ... Map of Europe (and its borders), which is now being prepared by a Committee of the International Geological Congress. The country described is that lying south and west of the river Mendere (Scamander). The sedimentary rocks may be divided into three great groups : — (1) An old, possibly Archaean, highly crystalline series, forming the mountainous lands of the Ida range (5750 feet), but also Phil.

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