aining withinitself a regulating force, could notpossibly give forth anything elsethan an unsteady movement.However, mechanical clocks fitted with this escapement offer indis-putable advantages over the ancient clepsydra ; in spite of theirimperfections they rendered important services, especially… … Fig. 149 158 Watch and Clock Escapements. in 1600, when Galileo discovered the law governing the oscillationof the pendulum, they did not suspect how important this discovery-was for the science of time measurement.
Clocks and watches
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