Collins, A. Frederick (Archie Frederick), 1869- · New York, London, D. Appleton and company · leaf 88
USTJMOSPHEftE 60UTI-Pig. 70.—Ceobs Section of the Earth. made a complete voyage round the world and returned to theplace she started from. (1) One of the easy ways to show that the earth is round,or at least that the surface of the earth is curved, as shown inFig. 71, is to watch a ship as she… … Fig. 71.—Sails op Ship Can Be Seen After Hull Has Disappeared. ship—hull, sails and smokestack, if she has one—can be seenuntil she sails over the horizon, and then her hull, which is thelargest part of her, is lost to view, then her sails and stack, andfinally only the tops of her masts can be…
Astronomy · Stars
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