panied with engravings executed in the highest degree of perfection. To the Mechanic and Manufacturer the SCIENTIFIC AMERI- CAN is important, as every number treats of matters pertaining to valuable implement. The device which we here illus- their business, and as ofteu as may be deemed necessary a… … i TORS.—Messrs, MUNN & CO., Proprietors of the Screntiric t AMERICAN, continue to procure Patents for Inventors in the United 1 States and all foreign countries on the most liberalterms. Our XP i | | rience is of thirteen years’ standing, and our facilities are unequaled by any other Agency in the…
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![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten14unit-410-0.webp)
