pen to do its work. It is com- tory. was originally intended to detect errors in ship presses a telegraph key, and the exact time of passage chronometers and to regulate them properly. This is accurately registered by the chronograph. This in- strument, which has been described in the ScrEn- work… … Master Clock from Which Noon Signal is Sent ™~ Throughout the United States. “THE TIME OF DAY.” time before noon, so that there will be little oppor- time of the star clock by which the latter can be reg- the nation’s timekeeper as well. Consequently some of tunity for the clocks to gain or lose…
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