Scientific American, AprIL 3, 1886.] 221 … parations; Cleasing, Polishing, and Renovating Agents; and July 20th, 1880. to Mr. §. I.. Marsden All Crushers supplied by us are constructed under WITIHLERBY, RUGG & RICHARDSON. Manufacturers the superintendence of Mr. Marsden, who, for the past twenty years, has been connected with Colored Chalks…
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