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Scientific American, Vol. 87, No. 19 (1902) (1902)
leaf 8
-size, and the most admirable example of the employed in grinding from exposed quartz ledges By its means we can assure ourselves with our own finest Greek workmanship. minute fragments of rock, containing gold, which were eyes that we are living on a moving planet. carried along with the cur- The… … trict has not been mined to The distance from Yoko- © 1902 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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