The Encyclopaedia Britannica: A Dictionary of Arts, Sciences, and General Literature, 6. köideThomas Spencer Baynes C. Scribner's Sons, 1878 |
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Page 15
... angle de- scribed in a second of time ; and the time of complete revolution through the angle 360 ° or 2 is- = 2π g l cos . 8 2π w cos . a g The ; that is to say , the time of revolution of a pendulum of any given length is less than ...
... angle de- scribed in a second of time ; and the time of complete revolution through the angle 360 ° or 2 is- = 2π g l cos . 8 2π w cos . a g The ; that is to say , the time of revolution of a pendulum of any given length is less than ...
Page 17
... angles to each other , one of them over the front of the wheel as it stands , and the other over the back . The tooth ... angle before the tooth can escape ; in other words , the crown - wheel escapement requires a long vibration of the ...
... angles to each other , one of them over the front of the wheel as it stands , and the other over the back . The tooth ... angle before the tooth can escape ; in other words , the crown - wheel escapement requires a long vibration of the ...
Page 18
... angle y + B if the im . pulse begins at B before zero and at y after zero . Sometimes you see clocks in which the seconds hand moves very slowly and rests a very short time , showing that y + 8 is large in proportion to 2a ; and in ...
... angle y + B if the im . pulse begins at B before zero and at y after zero . Sometimes you see clocks in which the seconds hand moves very slowly and rests a very short time , showing that y + 8 is large in proportion to 2a ; and in ...
Page 19
... angle of escape not more than 1 ° , the distance of the pin from the centre of the disc must not be more than th of the distance of centres of the disc and pallets . With the view of getting rid of one of these extra wheels in the train ...
... angle of escape not more than 1 ° , the distance of the pin from the centre of the disc must not be more than th of the distance of centres of the disc and pallets . With the view of getting rid of one of these extra wheels in the train ...
Page 20
... angle ; and as the pallet always descends with the pendulum to the same point , the duration of the impulse is ... angle to each other that the radii of the wheel when in contact with each stop may be at right angles to the pallet arm ...
... angle ; and as the pallet always descends with the pendulum to the same point , the duration of the impulse is ... angle to each other that the radii of the wheel when in contact with each stop may be at right angles to the pallet arm ...
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afterwards ancient angle appears arbor axis beetles British called centre century church clock coal measures coal-field coast cobalt Cochin Cochin China coffee coke Coleridge colony colour comet common companies Condé Condillac Confucius considerable Constantine constitution consuls contains Convocation court Crown diameter directrix district ellipse elytra emperor England English escapement Europe exports extended feet France French Government gravity escapement House important inches India iron island king known labour land larv¿ latter length less lignite London means miles millstone grit native observed obtained pallet parabola Parliament passed pendulum perihelion pinion population prince of Condé principal produced PROP province remarkable remontoire river Roman Rome royal scape-wheel seams side society species square miles strata surface tangent teeth temperature thickness tion Tong-king town trade weight wheel whole