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Scientific American, Vol. 63, No. 20 (1890) (1890)
leaf 8
metric system. This just described. Its cross section, adapted to secure it French government, delegates of the leading nations stamp is impressed upon the bottom of the kilogramme against flexure and to allow of rapid accommodation met in Paris and were organized into an international we have… … STANDARD © 1890 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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