Avis des internautes - Rédiger un commentaire
Aucun commentaire n'a été trouvé aux emplacements habituels.
Autres éditions - Tout afficher
acid action angle aperture apparatus appear arrangement ascer atmosphere attraction ball battery body boiling brass called cause centre of gravity charge chemical coating colour communicated conductor connected convex lens copper cylinder degree direction discharge distance earth effect elastic electrified electrometer electroscope equal equilibrium evident excited experiments fact fixed fluid force friction glass greater Gregorian telescope heat Humphry Davy inch increase influence instance instrument intensity iron lens Leyden jar light liquid machine magnet manner ment mercury metal mirror motion muriatic acid nature needle object observed obtained particles pass pendulum phenomena philosophers piece placed plate pole position pressure principle produced proved quantity radiation rays receiver REFRACTING TELESCOPES refraction retina Sir John Leslie solid specific gravity substance supposed surface suspended temperature thermometer tion tricity tube velocity vessel vols Voltaic electricity weight wire zinc
Page 498 - A Popular Guide to the Observation of Nature ; or, Hints of Inducement to the Study of Natural Productions and Appearances, in their Connexions and Relations.
Page 502 - British, and Foreign Ambassadors, &c. Also, a variety of Miscellaneous Information connected with the foregoing, and with the several Public Offices. The whole carefully compiled from Official documents, and from the personal Communications of Members of both Houses. " It seems to be the most useful and the best executed of the many similar works that have issued from the press.
Page 504 - An Examination of the ancient Orthography of the Jews and of the original state of the text of the Hebrew Bible.
Page 449 - On the twenty-second day, these appearances were more elevated and distinct ; and on the twenty-sixth day, each figure assumed the form of a perfect insect, standing erect on a few bristles which formed its tail. Till this period, Mr.
Page 59 - Every body must persevere in its state of rest, or of uniform motion in a straight line, unless it be compelled to change that state by forces impressed upon it.
Page 500 - Directory ; being a familiar Treatise on Floriculture, particularly the Management of the best Stage, Bed, and Border Flowers usually cultivated in Britain. To which are added Directions for the Management of the...
Page 449 - ... each of the nipples. On the twentysecond day these appearances were more elevated and distinct, and on the twenty-sixth day each figure assumed the form of a perfect insect, standing erect on a few bristles which formed its tail. Till this period...
Page 497 - The BEAUTIES OF THE BRITISH POETS. With a few introductory Observations. By the Rev. G. CROLY, DD In 12mo. with several Engravings, price 7i. THE SECOND EDITION, ENLARGED. The RURAL MUSE. POEMS. By JOHN CLARE, The Northamptonshire Peasant : Author of " The Village Minstrel," " The Shepherd-s Calendar,
Page 450 - ... some time after their birth, apparently averse to motion. In the course of a few weeks, about a hundred of them made their appearance on the stone. At first each of them fixed itself for a considerable time in one spot, appearing to feed by suction, but when a ray of light from the sun was directed upon it, it seemed disturbed, and removed itself to the shaded part of the stone. Out of about a hundred insects, not above five or six were born on the south side of the stone.
Page 140 - And that the stream of running waters might not be accelerated in falling, and by that acceleration become narrower, I fixed this plate not to the bottom, but to the side of the vessel, so as to make the water go out in the direction of a line parallel to the horizon. Then, when...