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Scientific American, Vol. 89, No. 8 (August 1903) (1903)

leaf 7

An illustration from Scientific American, Vol. 89, No. 8 (August 1903), 1903, leaf 7
136 Scientific American August 22, 1903. Fig. 1.—Lead Mills and Mixers. Fig. 2.—The Lead Presses. Fig. T.-Metal Tipping. Fig. 8.—Rubber Masticators. IKE MAKING 07 A LEAS PENCIL. © 1903 SCIENTIFIC AMERICAN, INC

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