Assertion: synchronous clock | /r/HasProperty | wall clocks
Facets:
Source sentences:
text: While this would have freed the power companies from the threat of fines and also provided an extremely modest increase in frequency stability, it was also noted that synchronous clocks, which include wall clocks, alarm clocks, and other clocks computing the time on the basis of their electrical power, would accumulate several minutes of error between the semi-annual resets for Daylight Saving Time.