Assertion: clock's mechanism | /r/CapableOf | compare the time of the clock
Facets:
value: with a standard
type: OTHER
Source sentences:
text: Some types, such as the Synchronome, had optional extra mechanisms to compare the time of the clock with a standard received from the GPO time service which relayed the time signal from the Greenwich Observatory, which allowed small weights to be added or removed from the pendulum without interruption.