d defects. With 25 figures. Price 10 cents. Con- so as to have their patents ready to negotiate during the had at this office, and of all news agents. tinued in No. 4 of SCIENTIFIC AMERICAN SUPPLE- coming summer. MENT. To be had at this otflce, and of all news agents. and Shaped Diamond Carbon… … MUNN & CO., in connection with the publication of to be the aim of the publishers to render the con- the SCIENTIFIC AMERICAN, continue to examine In- Todd & Rafferty Machine Co. m^ LATEST IMPROVED tents of the new volume more attractive and use- ventions, confer with Inventors, prepare drawings,…
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