Notices of the Proceedings at the Meetings of the Members of the Royal Institution, with Abstracts of the Discourses, Band 12
W. Nicol, Printer to the Royal Institution, 1889
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Seite 413 - ... the end of a Circuit of wire in an upper room, produced an induction sufficiently powerful to magnetize needles in a parallel circuit of iron placed in the cellar beneath at a perpendicular distance of thirty feet, with two floors and ceilings each fourteen inches thick intervening.
Seite 157 - It would not be difficult to arrange a camera-box capable of exposing a surface sufficient to obtain a map of two degrees square, and with instruments of large aperture we may hope to reach much smaller stars than I have .yet taken. There is also every probability that the chemistry of photography will be very much improved and more sensitive methods devised.
Seite 43 - Of whose true-fixed and resting quality There is no fellow in the firmament. The skies are painted with unnumbered sparks, They are all fire and every one doth shine, But there's but one in all doth hold his place.
Seite 151 - The Medical Department of the Local Government Board, have from these facts drawn the conclusion that " distrust must be placed on the universally accepted explanation that milk receives infective properties directly by human agencies," and further that " the question of risk from specific fouling of milk by particular cows, suffering, whether recognized or not, from specific disease, was seen to be arising.
Seite 49 - The text-books tell us that an element is ' a body which has not been decomposed '; that it is ' a something to which we can add, but from which we can take away nothing,' or ' a body which increases in weight with every chemical change.
Seite 274 - Pilgrimes," published in 1625, by the same author — which has been often, though hardly ever quite rightly, cited. The chapter is entitled, " The strange adventures of Andrew Battell, of Leigh in Essex, sent by the Portugals prisoner to Angola, who lived there and in the adioining regions neere eighteene yeeres.
Seite 450 - ... they are quite full, the fronts are then sealed up, and the charge allowed to remain undisturbed for about four hours, during which time the water of the alumina hydrate is completely expelled. At the end of this time the valves on the chlorine main are opened, and the gas is allowed to pass into the charged retorts. In the rear of each retort, and connected therewith by means of an earthenware pipe, are the condenser boxes, which are built in brick. These boxes are provided with openings or...
Seite 189 - ... the phenomena would be exhibited ; but if they came from the east or west, the flame would make no response. This is of convenience in experimenting, because, by turning the burner round, I make the flame almost insensitive to a sound, and I am now free to show the effect of any sound that may be brought to it in the perpendicular direction. I am going to use a very small reflector — a small piece of looking-glass. Wood would do as well ; but looking-glass facilitates the adjustment, because...
Seite 450 - ... usual type for making drain pipes, excepting that the mass is forced out into solid cylindrical lengths upon a platform alongside of which a workman is stationed with a large knife, by means of which the material is cut into lengths of about 3 inches each. These are then piled on' top of the large furnaces to dry. In a few hours they have sufficiently hardened to allow of their being handled. They are then transferred to large wagons, and are ready to be used in charging the retorts. The success...
Seite 531 - A more perfect illustration of the regular breaking up of a liquid cylinder, it would be impossible to find. The beads are, as Plateau showed they ought to be, alternately large and small, and their regularity is marvellous. Sometimes two still smaller beads are developed, as may be seen in the second photograph, thus completely agreeing with the results of Plateau's investigations. I have heard it maintained that the spider goes round her web LIBRARY OF SCIENCE and places these beads there afterwards.