Brearley, Harry Chase, 1870-, Ingersoll, Robt. H., & Bro · New York, Pub. by Doubleday, Page & Co. for Robert H. Ingersol & Bros. · leaf 126
Universal Cube DialGerman, Eighteenth Century Ancestors of the WatchPortable and pocket sun dials in the collections of the^ Metropolitan Museum. IfiiQ aduO IsaiavinU Yiovl8sdi ^y^bjI HOTaW HHT 10 8iIOT833MA … Ihe Modern Clock and Its Creators In 1581, this youth of seventeen stood in the cathedralof Pisa. Close at hand, a lamp suspended by a long chainswung lazily in the air currents. There was nothing unusualin such a sight. Millions of other eyes had seen other sus-pended objects going through exactly…
Time measurements · Clocks and watches
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