The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 746
... electric clock was driven by a spring and pendu- lum , and employed an electrical impulse to operate a number of ... electric clocks . With the application of the synchronous electric motor to clocks in 1918 , do- mestic electric clocks ...
... electric clock was driven by a spring and pendu- lum , and employed an electrical impulse to operate a number of ... electric clocks . With the application of the synchronous electric motor to clocks in 1918 , do- mestic electric clocks ...
Page 773
... electric power . Though the industry has operated on a huge scale for decades , the existence of vast coal reserves in many parts of the world guarantees its future , at least until coal has been superseded as a source of energy and of ...
... electric power . Though the industry has operated on a huge scale for decades , the existence of vast coal reserves in many parts of the world guarantees its future , at least until coal has been superseded as a source of energy and of ...
Page 1048
... electrical speeds , and angular positions into me- chanical or electrical analogues . An automobile speed- ometer is an analogue computer measuring the voltage output of a generator connected to the drive shaft . The analogue computer ...
... electrical speeds , and angular positions into me- chanical or electrical analogues . An automobile speed- ometer is an analogue computer measuring the voltage output of a generator connected to the drive shaft . The analogue computer ...
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