A Grammar of Natural and Experimental Philosophy ...: With One Hundred Engravings on Wood |
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Page 11
... rise in the tube , higher than its level in the basin . The smaller the bore of the tube , the higher will the water rise . 2. Take two pieces of glass five or six inches square , join any two of their sides , and separate the opposite ...
... rise in the tube , higher than its level in the basin . The smaller the bore of the tube , the higher will the water rise . 2. Take two pieces of glass five or six inches square , join any two of their sides , and separate the opposite ...
Page 15
... rise of fluids in capillary tubes ? How may this kind of attraction be illustrated ? What effect does the various degrees of cohesive attraction have on bodies ? What is the cause of elasticity in bodies ? What is repulsion ? Does this ...
... rise of fluids in capillary tubes ? How may this kind of attraction be illustrated ? What effect does the various degrees of cohesive attraction have on bodies ? What is the cause of elasticity in bodies ? What is repulsion ? Does this ...
Page 15
... rise of fluids in capillary tubes ? How may this kind of attraction be illustrated ? What effect does the various degrees of cohesive attraction have on bodies ? What is the cause of elasticity in bodies ? What is repulsion ? Does this ...
... rise of fluids in capillary tubes ? How may this kind of attraction be illustrated ? What effect does the various degrees of cohesive attraction have on bodies ? What is the cause of elasticity in bodies ? What is repulsion ? Does this ...
Page 28
... rising in a coach or boat in danger of oversetting , the centre of gravity being thereby raised , and the line of direction thrown out of the base . Whereas , in such circumstances , the proper course is to lie down in the bottom , so ...
... rising in a coach or boat in danger of oversetting , the centre of gravity being thereby raised , and the line of direction thrown out of the base . Whereas , in such circumstances , the proper course is to lie down in the bottom , so ...
Page 29
... rise from a chair , or go up stairs ; -- so a man leans forward when he carries a burthen on his back , and to the right and left as he carries it on the opposite side . OF PENDULUMS . 57. A Pendulum is a heavy body hanging by a string ...
... rise from a chair , or go up stairs ; -- so a man leans forward when he carries a burthen on his back , and to the right and left as he carries it on the opposite side . OF PENDULUMS . 57. A Pendulum is a heavy body hanging by a string ...
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Common terms and phrases
angle aphelion apparent magnitude appear apsis atmosphere attraction axis called centre of gravity centrifugal force centripetal forces circle colours concave conductor converging convex convex lens degrees described diameter direction diverge earth eclipse elasticity electrified equal equator excentricity eye-glass fall feet fixed stars focal distance focus galvanic glass greater greatest heat Hence Herschel horizon Illus inches inclined Jupiter latitude lens less lever longitude magnet mean distance mercury meridian metal miles moon moon's move nearer nodes object object-glass observation opposite orbit parallax parallel rays particles pass pendulum perihelion perpendicular piece pipe piston planet plate poles pounds pressure produced projectile force proportion quantity rays of light reflected refraction retina revolves right ascension rise round satellites Saturn seen semi-diameter side Sidereal revolution space specific gravity substances sun's surface syzygies telescope tion tube velocity Venus vessel vibrations weight whence
Popular passages
Page 4 - IDE, of the said District, hath deposited in this office, the title of a book, the right whereof he claims as proprietor, in the words following, to wit : " Inductive Grammar, designed for beginners. By an Instructer." In conformity to the act of the Congress of the United States...
Page 60 - If a thin glass vessel, whose aperture is closed, be placed under the receiver of an air-pump, and the air exhausted from the receiver, the vessel will be broken by the pressure of air within.
Page 119 - ... show that heat is produced by the sun's rays only when they act on a calorific medium: they are the cause of the production of heat, by uniting with the matter of fire which is contained in the substances that are heated...
Page 45 - He then obtained two masses, one of gold and one of silver, each equal in weight to the crown, and having filled a vessel very accurately with water, he first plunged the silver mass into it, and observed the quantity of water that flowed over ; he then did the same with the gold, and found tha.ta less quantity had passed over than before.
Page 4 - An Act for the encouragement of learning, by securing the copies of Maps, Charts and Books, to the authors and proprietors of such copies during the times therein mentioned,' and extending the benefits thereof to the arts of designing, engraving, and etching historical and other prints.
Page 118 - Hence he concludes that the sun has a very extensive atmosphere, which consists of elastic fluids that are more or less lucid and transparent ; and of which the lucid ones furnish us with light. This atmosphere, he thinks, is...
Page 183 - When pieces of charcoal about an inch long and onesixth of an inch in diameter, were brought near each other (within the thirtieth or fortieth part of an inch) a bright spark was produced, and more than half the volume of 'the charcoal became ignited to whiteness, and by withdrawing the points from each other a constant discharge took place through the heated air, in a...
Page 183 - ... of an inch), a bright spark was produced, and more than half the volume of the charcoal became ignited to whiteness, and, by withdrawing the points from each other, a constant discharge took place through the heated air, in a space equal at least to four inches, producing a most brilliant ascending arch of light, broad, and conical in form in the middle.
Page 141 - If the orbit of the earth and that of the moon were both in the same plane, there .would be an eclipse of the sun at every new moon, and an eclipse of the moon at every full moon.
Page 158 - And he observes, that in the most crowded part of the milky way, he has had fields of view that contained no less than 588 stars, and these were continued for many minutes ; so that, in a quarter of an hour, he has seen 116,000 stars pass through the field of view of a telescope of only 15' aperture ; and at another time in 41 minutes he saw 258,000 stars pass through the field of his telescope.