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 66 találatból.
17. oldal
... figure 3 , that the pallet B must turn through a considerable angle before the tooth can escape ; in other words , the crown - wheel escapement requires a long vibration of the pendulum . This is objectionable on several accounts ...
... figure 3 , that the pallet B must turn through a considerable angle before the tooth can escape ; in other words , the crown - wheel escapement requires a long vibration of the pendulum . This is objectionable on several accounts ...
21. oldal
... figure the stop S is behind and the stop S ' forward . The pendulum is now going to the right , and just beginning to lift the right pallet and free the stop S ' ; then the wheel will begin to turn and lift the other pallet by one of ...
... figure the stop S is behind and the stop S ' forward . The pendulum is now going to the right , and just beginning to lift the right pallet and free the stop S ' ; then the wheel will begin to turn and lift the other pallet by one of ...
22. oldal
... figures are too small to be seen except quite near . Several persons have taken patents for methods of exhibiting the ... figure ( 27 ) of the Westminster clock . We omit The stops are shown on the quarter lifting - piece the description ...
... figures are too small to be seen except quite near . Several persons have taken patents for methods of exhibiting the ... figure ( 27 ) of the Westminster clock . We omit The stops are shown on the quarter lifting - piece the description ...
24. oldal
... figures so arranged with reference to the pin that whatever figure is made to come to a small pointer set as a tail to the hour hand , the alarum shall be let off at that hour . The letting off does not require the same apparatus as a ...
... figures so arranged with reference to the pin that whatever figure is made to come to a small pointer set as a tail to the hour hand , the alarum shall be let off at that hour . The letting off does not require the same apparatus as a ...
28. oldal
... figure ( 21 ) , A , B , D , E , e , f are the same things as in fig . 20. But e , the scape - wheel pinion , is no longer fixed to the arbor , nor does it ride on the arbor , as had been the case in all the previous spring remontoires ...
... figure ( 21 ) , A , B , D , E , e , f are the same things as in fig . 20. But e , the scape - wheel pinion , is no longer fixed to the arbor , nor does it ride on the arbor , as had been the case in all the previous spring remontoires ...
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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