A Treatise on Modern Horology in Theory and Practice |
Contents
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9 | |
15 | |
31 | |
33 | |
46 | |
60 | |
73 | |
429 | |
442 | |
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457 | |
462 | |
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474 | |
80 | |
123 | |
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485 | |
507 | |
527 | |
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627 | |
730 | |
774 | |
793 | |
799 | |
821 | |
822 | |
825 | |
833 | |
Common terms and phrases
action amount anchor anchor escapement arc of vibration ascertain axis balance balance wheel balance-spring Berthoud brass calliper cause chronometer circle circumference clocks coils considerable cylinder escapement depth detent diameter dimensions diminish distance draw drop edge effect employed epicycloid equal escape-wheel escapement arm experiments extent extremity fixed friction give grammes greater hole horologists horology impelling impulse curve impulse plane inclined plane increase isochronism length less lever lever escapement lifting angle lifting arc line of centres locking faces locking surface mainspring marine chronometers measure ment metal millimetres motion motive force movement necessary notch number of teeth number of vibrations observed pendulum pinion pivots plate polished position practice pressure proportion radius radius of gyration recoil reduced resistance rest roller rotation ruby-pin screw slight spring steel straight sufficient supplementary arc tangential thickness tooth unlocking vary velocity verge verge escapement watch watchmaker wear weight wheel