COMMUNICATIONS RECEIVED. Index of Inventions Letters Patent of the United States December 24 1872 SCHEDULE OF PATENT FEES: IltriC4. Inside Page 75 cents a line. Price List rniversal Chuck including Steel E. E. ROBERTS & Co. INVENTORS SCIENCE RECORD 37 Park Row New York City. THE SELDEN DIRECT-ACTING, scientific american, 1873-01-25
COMMUNICATIONS RECEIVED. Index of Inventions Letters Patent of the United States December 24 1872 SCHEDULE OF PATENT FEES: IltriC4. Inside Page 75 cents a line. Price List rniversal Chuck including Steel E. E. ROBERTS & Co. INVENTORS SCIENCE RECORD 37 Park Row New York City. THE SELDEN DIRECT-ACTING, scientific american, 1873-01-25
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