. United States Court of Appeals For the Ninth Circuit. ^^.W. 7 United States Patent Office, ARTHUR FRITSCH, OF ST. LOUIS, SPECIFICATION forming part of Letters Patent No. 671,276, dated April 2, 1901. Application filed September 13,1900. Serial No. 29,931. To all ivhorn it may concern: Be it known that I, Arthur Fritsch, ofthecity of , State of Missouri, liavein-vented certain new and useful Iinproveineiits5 in Oi-e-Concentrators, of wliicli tlie followingis a full, clear, and exact description, refer-ence beina had to the aecoinpanyiuii; d/aw-
. United States Court of Appeals For the Ninth Circuit. ^^.W. 7 United States Patent Office, ARTHUR FRITSCH, OF ST. LOUIS, SPECIFICATION forming part of Letters Patent No. 671,276, dated April 2, 1901. Application filed September 13,1900. Serial No. 29,931. To all ivhorn it may concern: Be it known that I, Arthur Fritsch, ofthecity of , State of Missouri, liavein-vented certain new and useful Iinproveineiits5 in Oi-e-Concentrators, of wliicli tlie followingis a full, clear, and exact description, refer-ence beina had to the aecoinpanyiuii; d/aw-in^s, forming a part invention relatestoore-concentrators; lo and itcoiisistsof the novel construction, com-bination, and airangement of parts herein-after shown, described, and claimed. Figure 1 is a side elevation showing myimproved ore-concentrator. Fig. 2 is a plan 15 view. Fig. -3 is an end view. Fig. 4 is a de-tail view of a standard and adjusting-levermade use of in carrying out the 5 is a view showing the adjusting-leveran
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