The Encyclopaedia Britannica: A Dictionary of Arts, Sciences, and General Literature, 6. kötetThomas Spencer Baynes C. Scribner's Sons, 1878 |
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1 - 5 találat összesen 39 találatból.
13. oldal
... wheel G rides on the arbor , and is connected with the barrel by the ratchet R , the action of which is shown more fully in fig 14. The intermediate wheel r in this drawing is for a purpose which will be de- scribed hereafter , and for ...
... wheel G rides on the arbor , and is connected with the barrel by the ratchet R , the action of which is shown more fully in fig 14. The intermediate wheel r in this drawing is for a purpose which will be de- scribed hereafter , and for ...
14. oldal
... wheel M , and fits close , but not tight , on the pro- longed arbor of the centre wheel . Behind this wheel is a bent spring which is ( or ought to be ) set on the same arbor with a square hole ( not a round one as it sometimes is ) in ...
... wheel M , and fits close , but not tight , on the pro- longed arbor of the centre wheel . Behind this wheel is a bent spring which is ( or ought to be ) set on the same arbor with a square hole ( not a round one as it sometimes is ) in ...
15. oldal
... wheel with a vertical axis , from which pro- jects an arm pressing against a spike at the bottom of the pendu- lum ... wheels in the train , with a spring connection ; the telescope is driven by the revolving clock train , and the other ...
... wheel with a vertical axis , from which pro- jects an arm pressing against a spike at the bottom of the pendu- lum ... wheels in the train , with a spring connection ; the telescope is driven by the revolving clock train , and the other ...
17. oldal
... wheel in the train escape at each vibration ; and hence that wheel is called the " scape - wheel . " Fig . 3 shows the form of the earliest clock escapement , if it is held sideways , so that the arms on which the two balls are set may ...
... wheel in the train escape at each vibration ; and hence that wheel is called the " scape - wheel . " Fig . 3 shows the form of the earliest clock escapement , if it is held sideways , so that the arms on which the two balls are set may ...
18. oldal
... wheel is just escaping from the left pallet , and another tooth at the same time falls upon the right hand pallet at some distance from its point . As the pendulum moves on in the same direction , the tooth slides farther up the pallet ...
... wheel is just escaping from the left pallet , and another tooth at the same time falls upon the right hand pallet at some distance from its point . As the pendulum moves on in the same direction , the tooth slides farther up the pallet ...
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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 larvæ 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