Elements of Physics: Or Natural Philosophy, General and Medical

Cover
Carey, 1829 - 532 Seiten
 

Was andere dazu sagen - Rezension schreiben

Es wurden keine Rezensionen gefunden.

Andere Ausgaben - Alle anzeigen

Häufige Begriffe und Wortgruppen

Beliebte Passagen

Seite ii - In conformity to the act of the Congress of the United States, entitled, " An Act for the Encouragement of Learning, by securing the copies of Maps, Chart*. and Books, to the authors and proprietors of such copies, during the times therein mentioned." And also to the act, entitled, " An Act supplementary to an Act, entitled " 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 time* therein mentioned,"...
Seite ii - Wilkins, of the said district, have deposited in this office the title of a book- the right whereof they claim as proprietors in the words following, to wi — pMvras A-óyet* fapttafiiottt lJtiXOÏf LböAEy^hV^j, ХЯ? ' In conformity to the act of the Congress of the United States...
Seite 338 - ... originally well made, and only refuses to work when worn out with age ; it is equally active in all climates, and will do work of any kind ; — it is a water-pumper, a miner, a sailor, a cotton-spinner, a weaver, a blacksmith, a miller, &c.
Seite 338 - Other combustibles ; it consumes none while idle ; it never tires, and wants no sleep ; it is not subject to malady when originally well made, and only refuses to work when worn out with age ; it is equally active in all climates, and will do work of any kind...
Seite 109 - ... the other side, and the spring has to begin its work again. The balance-wheel at each vibration allows one tooth of the adjoining wheel to pass, as the pendulum does in a clock ; and the record of the beats is preserved by the wheel which follows.
Seite 165 - ... of an inch. The claw-hammer also proves, that it is of no consequence whether the lever be straight or crooked, provided it produces the required difference of velocity between power and resistance. The part of the hammer resting on the plank is the fulcrum.
Seite xxxvii - In China men are gathering the tea-leaf for me — in America they are planting cotton for me — in the West India Islands they are preparing my sugar and my coffee — in Italy they are feeding...
Seite 338 - In the present perfect state of the engine, it appears a thing almost endowed with intelligence. It regulates with perfect accuracy and uniformity the number of its strokes in a given time, counting or recording them moreover, to tell how much work it has done, as a clock records the beats of its pendulum ; it regulates the quantity of steam admitted to work ; the briskness of the fire ; the supply of water to the boiler ; the supply of coals to the fire...
Seite 378 - A wave of water, in this respect, is exactly imitated by the wave running along a stretched rope when one end is shaken ; or by the mimic waves of our theatres, which are generally the undulations of long pieces of carpet, moved by attendants.
Seite 109 - ... acquired during its fall from one side carries it up to an equal height on the other ; so, in a watch a spring, generally spiral, surrounding the axis of the balance-wheel, is always pulling this towards a middle position of rest, but does not fix it there, because the momentum acquired during its approach to the middle...

Bibliografische Informationen