A Natural Philosophy: Embracing the Most Recent Discoveries in the Various Branches of Physics

D. Appleton, 1860 - 450 σελίδες

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Δημοφιλή αποσπάσματα

Σελίδα 34 - A Circle is a plane figure bounded by a curved line every point of which is equally distant from a point within called the center.
Σελίδα 300 - 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.
Σελίδα 173 - The marine barometer has not yet been in general use for many years, and the author of this work was one of a numerous crew who probably owed their preservation to its almost miraculous warning. It was in a southern latitude ; the sun had just set with placid appearance, closing a beautiful afternoon, and the usual mirth of the evening watch was proceeding, when the captain's order came to prepare with all haste for a storm. The barometer had began to fall with appalling rapidity.
Σελίδα 376 - Venus, a pea, on a circle of 284 feet in diameter ; the Earth, also a pea, on a circle of 430 feet ; Mars, a rather large pin's head, on a circle of...
Σελίδα 376 - Venus, a pea on a circle 284 feet in diameter ; the Earth also a pea, on a circle of 430 feet ; Mars, a rather large pin's head, on a circle of 654 feet; Juno, Ceres, Vesta, and Pallas, grains of sand, in orbits of from 1000 to 1200 feet; Jupiter, a moderate-sized orange...
Σελίδα 174 - In that awful night, but for the little tube of mercury which had given the warning, neither the strength of the noble ship, nor the skill and energies of the commander, could have saved one man to tell the tale.
Σελίδα 34 - A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.
Σελίδα 94 - These simple machines are the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw.
Σελίδα 332 - ... countenance was simultaneously thrown into fearful action. Rage, horror, despair, anguish, and ghastly smiles united their hideous expression in the face. At this period several of the spectators were forced to leave the room from terror or sickness, and one gentleman fainted...
Σελίδα 461 - This work is intended to follow the Elements, and gives an extended course in the higher as well as the more rudimental departments of the science, adapted for advanced schools and colleges. It is based on the admirable work of Vincent, revised by Bourdon, which has long been the geometrical standard in the French schools.

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