Johnson, Gaylord · New York, The Macmillan company · leaf 128
FIFTH REEL 113 Your mistake is very natural/ said UncleHenry. Three hours on a watch dial is a quarterway round, but remember that the hands on awatch must travel twice round the dial every twenty-four hours. Remember too, that our star clock handturns only once round in twenty-four hours. Thentry… … I see, cried Peter, it goes a quarter way roundevery six hours, and four times six are twenty-four! Quite true, smiled Uncle Henry, so now youknow how to tell time by the great star clock. The children had not thought it was quite assimple as that, so they werent sure whether theyknew how or not.…
Astronomy
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