Scientific Dialogues: Intended for the Instruction and Entertainment of Young People: in which the First Principles of Natural and Experimental Philosophy are Fully Explained
Knight and Son, 1852 - 362 Seiten
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angle appear atmosphere attraction axis ball battery body bottom brass called centre of gravity concave concave mirror conductor consequently CONVERSATION convex convex lens cylinder degrees diameter direction distance diurnal motion earth ecliptic electric fluid electrified equal equator experiment fall feet fixed stars focus force glass globe gold grains greater heat heavens hygrometer inches inclined plane iron kind length lens less lever Leyden jar looking-glass machine magnet means mercury metal millions of miles mirror moon motion move multiplied object observe orbit ounces particles pass perpendicular piece pipe piston planets poles pound weight pounds pressure proportion pump quantity quicksilver rays of light reflected refracting telescope refraction retina rise round screw shew shewn side silver space spark specific gravity stand substance suppose surface tube turn valve velocity vessel weight wire
Seite 254 - Thus with the year Seasons return, but not to me returns Day, or the sweet approach of even or morn, Or sight of vernal bloom, or summer's rose, Or flocks, or herds, or human face divine; But cloud instead, and ever-during dark Surrounds me, from the cheerful ways of men Cut off, and for the book of knowledge fair Presented with a universal blank Of nature's works to me expunged and rased, And wisdom at one entrance quite shut out.
Seite 85 - evidence of things not seen," in the fulness of Divine grace ; and was profound on this, the greatest concern of human life, while unable even to comprehend how the " inclination of the earth's axis to the plane of its orbit" could be the cause of the change of the seasons.
Seite 159 - It is not so generally known as it ought to be, that the...
Seite 90 - Its situation with respect to the sun is much like that of the earth ; and by a rotation on its axis it enjoys an agreeable variety of seasons, and of day and night.
Seite 318 - Leyden, of much eminence, said that " he felt himself struck in his arms, shoulders, and breast, so that he lost his breath ; and it was two days before he recovered from the effects of the blow and the terror ; adding, that he would not take a second shock for the kingdom of France.
Seite 98 - At the equator, the north and south poles lie in the horizon, and therefore the ecliptic makes the same angle southward with the horizon when Aries rises, as it does northward when Libra rises...
Seite 6 - ... of an inch in diameter ; and as the drop occupied a circle on a plate of glass containing 529 of these squares, there must have been in this single drop of water, taken out of the yellowishgreen sea, in a place by no means the most discoloured, about 26,450 animalcules.
Seite 112 - Addison very justly observes, this thought is far from being extravagant, when we consider that the universe is the work of infinite power, prompted by infinite goodness ; having an infinite space to exert itself in ; so that our imaginations can set no bounds to it.
Seite 19 - For the broader the base, and the nearer the line of direction is to the middle of it, the more firmly does a body stand ; but if the line of direction fall near the edge the body is easily overthrown.