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Scientific American, Vol. 90, No. 15 (1904) (1904)
leaf 10
was immersed about one-third of in calipers which affords many advantages over the exhausted. Mr. Joseph A. Quelch, of 331 Manhattan her length, and then floated on an even keel. crude instruments now generally in use. The im- Avenue, Brooklyn, New York, is the inventor of this mee. ot proved… … tion, the instant the shield reaches the desired posi © 1904 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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