Irving, [Christopher], d. 1856. [from old catalog], Ortmann, Anselm. [from old catalog] · Baltimore, Md., New York, J. Murphy company · leaf 47
Fig. 9. Moon Seven Days Old. … Fig. 10. Moons Age Twenty-one Days, Five Hours. THE MOON. 31 A. Yes, the moon rotates once in a revolution, orsidereal month. Q. 11, What does this effect? A. It effects that the moon always presents thesame side to the earth, and also that on the moon theday and the night is each roughly two weeks…
Astronomy
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