Scientific American Volume 65 Number 20 (November 1891) . PIERCE ARTESIAN ARTESIAN Wells, Oil and Gas Wells, drilledby contract to any depth, from 50to 3000 feet. We also manufac-ture and furnish everything re-quired to drill and completesame. Portable Horse Powerand Mounted Steam DrillingMachines for 100 to 1,000 us stating exactly what isrequiredand send for illustrat-ed catalogue. Address& OIL WELL SUPPLY CO., 80 Beaver Street, New York. MAGIC LANTERNS JtFRFOPTICONS^Schools&PubucLanternSlides Colored &UNC0LokED „S^mU£EN&C0. {ST* llulimlcorlT Induction Coils. Handsomelymounted, %l
Scientific American Volume 65 Number 20 (November 1891) . PIERCE ARTESIAN ARTESIAN Wells, Oil and Gas Wells, drilledby contract to any depth, from 50to 3000 feet. We also manufac-ture and furnish everything re-quired to drill and completesame. Portable Horse Powerand Mounted Steam DrillingMachines for 100 to 1,000 us stating exactly what isrequiredand send for illustrat-ed catalogue. Address& OIL WELL SUPPLY CO., 80 Beaver Street, New York. MAGIC LANTERNS JtFRFOPTICONS^Schools&PubucLanternSlides Colored &UNC0LokED „S^mU£EN&C0. {ST* llulimlcorlT Induction Coils. Handsomelymounted, %l inch spark, $3. Send stamp for interestingcircular. Blakeney Elec. Co., 433 Bway, Brooklyn, LIGHTNING PLATER andplating jewelry .watchestableware, &c. Plates thefinest of jewelry good asnew, on all kinds of metalwith, gold, silver or experience. No house has goods need-ing plating. Wholesale toagents $5. Writeforcircu-Iars. II. «fcCo., Columbus, O. TO BUSINESS MEN The value of the Scientific American as an adver-tising medium cannot be overestimated. Its circulationis many times greater than that of any similar journalnow published. It goes into all the States and Territo-ries, and is read in all the principal libraries and readingrooms of the world. A business man wants somethingmore than to see his advertisement in a printed news-paper. He wants circulation. This he has when he ad-vertises in the Scientific American. And do not letthe advertising agent influence you to substitute someother paper for the Scientific American, when se-lecting a list of publications in which you decide it is foryour interest to advertise. This is frequently
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