Outlines of Natural Philosophy: For the Use of Schools and Private Learners |
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Outlines of Natural Philosophy: For the Use of Schools and Private Learners C. List No preview available - 2016 |
Outlines of Natural Philosophy: For the Use of Schools and Private Learners ... C. List No preview available - 2018 |
Outlines of Natural Philosophy: For the Use of Schools and Private Learners ... C. List No preview available - 2018 |
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air-pump angle angle of incidence animals apply aqueducts Archimedes atmosphere attraction ball brittle called cannon capstan cause centre of gravity ciple clock cohesion column composed compressible consider convey sounds cord Croton aqueduct crowbar density depend descend diameter distance ductile earth echo effect equal example explains feet high fluid force friction fulcrum gain of power gases gold ground hill illustrated inch inclined plane inertia laws length lens lift light liquids machines mass materials mechanical power mentioned metal miles motion move nature object paddle particles passing pendulum perpendicular pipe pores Porosity pound pound weight pressure principle produce properties of matter proportion QUESTIONS raise rays reflection refraction rise screw SECTION ship side sixteen feet solids space specific gravity stone strikes substances suppose surface suspended suspension bridges thickness tion velocity vessel vibrations volume Washington Monument wedges weight wheel and axle wood
Popular passages
Page 75 - These simple machines are the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw.
Page 18 - If a piece of ivory or white satin be immersed in a uitro-muriate solution of gold, and then plunged into a jar of hydrogen gas, it will become covered with a surface of gold hardly exceeding in thickness the 10,000,000th part of an inch.
Page 113 - The Specific Gravity of a body, is its weight compared with the weight of another body of the same bulk, taken as a standard.
Page 6 - CO., in the Clerk's office of the District Court of the United States, in and for the Eastern District of Pennsylvania. PREFACE. THE unwonted favour extended to " Bead's Female Poets of America...
Page 61 - ... A toothed wheel whose teeth are on the outer diameter, and at right angles with the wheel face. Square. — (1) A rectangle (qv) having four equal sides whose angles are right angles. (2) A tool used for checking the accuracy of ends and edges of timber or metal. See Set Square, Try Square. (3) The square of a number is the product of the number multiplied by itself. Square-bar Iron. — Malleable iron of rectangular form, rolled to various sections in rolls, and used in smiths' and platers
Page 24 - ... has been computed to contain a billion of perfect insects ; so that thousands of these living creatures could be lifted on the point of a needle. But the infusory animalcules display, in their structure and functions, the most transcendent attenuation of matter. The vibrio vndula, found in duck-weed, is computed to be ten thousand million times smaller than a hemp seed.
Page 148 - The large bells now used in Churches, are said to have been invented by Paulinus, bishop of Nola in Campania, about the year 400. They were probably introduced into England very soon after their invention, and are first mentioned by Bede about the close of the seventh century.
Page 67 - ... other side as far as B, describing an arc B c, nearly equal to the arc A c. From the point B it will again descend to c, and then ascend towards A, and so on, for a considerable time. When the weight is descending from A to c, the motion is accelerated, and in ascending from c to B it is retarded. The motion of the pendulum from A to B is called an oscillation or vibration. The amplitude of each vibration is measured by the arc AB in degrees and minutes. The duration of a vibration is the time...
Page 158 - In .DXienblUU phygic8 and metaphysics that property of a body by which it occupies a portion of space.
Page 139 - When it passes from a rarer to a denser medium,. it is refracted totaurds the perpendicular ; when from a denser to a rarer, it is refracted from the perpendicular.