THE ADVOCATE OF INDUSTRY AND JOURNAL OF SCIENTIFIC MECHANICAL AND OTHER IMPROVEMENTS. VOLUME THE NEW-YORK MAY 31 1851. [NUMBER 37. DEMONSTRATION OF THE EARTH'S ROTATION. Scientific American CIRCULATION 16000. PUBLISHED WEEKLY Longest Railroad. na.' round to the eastward making; during these as the barn has the same relative position to all external objects on the surface of the earth around it we must conclude that it is the earth that is turning round at this rate and that it will make a complete revolution in 24 hours.' The objection to these conclusions by common practical men is if the


THE ADVOCATE OF INDUSTRY AND JOURNAL OF SCIENTIFIC MECHANICAL AND OTHER IMPROVEMENTS. VOLUME THE NEW-YORK MAY 31 1851. [NUMBER 37. DEMONSTRATION OF THE EARTH'S ROTATION. Scientific American CIRCULATION 16000. PUBLISHED WEEKLY Longest Railroad. na.' round to the eastward making; during these as the barn has the same relative position to all external objects on the surface of the earth around it we must conclude that it is the earth that is turning round at this rate and that it will make a complete revolution in 24 hours.' The objection to these conclusions by common practical men is if the point of suspension is immovable so is the circle below, 1851-05-31


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