Scientific American Volume 21 Number 20 (November 1869) . ssion. PARKER BROTHERS^? weffi New York office with CHAS. PARKER. 27 Beekman at. THE BEST PUNCHING PRESSES AREmade by the Inventor and Patentee of the famousEccentric Adjustment. Infringements upon said Patentwill be severely dealt with. N. C. STILES, Middletown, Conn. To Electro-Platers. >T>ATTERIE8, CHEMICALS, AND MATE-Sj IALS. in sets or single, with books of instrnction,manufactured and sold by THOMAS HALL, Manufactur-ing Electrician, 19 Bromfield st, Boston, Mass. Illus-trated catalogue sent free on applicati


Scientific American Volume 21 Number 20 (November 1869) . ssion. PARKER BROTHERS^? weffi New York office with CHAS. PARKER. 27 Beekman at. THE BEST PUNCHING PRESSES AREmade by the Inventor and Patentee of the famousEccentric Adjustment. Infringements upon said Patentwill be severely dealt with. N. C. STILES, Middletown, Conn. To Electro-Platers. >T>ATTERIE8, CHEMICALS, AND MATE-Sj IALS. in sets or single, with books of instrnction,manufactured and sold by THOMAS HALL, Manufactur-ing Electrician, 19 Bromfield st, Boston, Mass. Illus-trated catalogue sent free on application. T ISTEN TO THE MOCKING BIRD.— LJ The Prairie Whistle and Animal Imitator can beused by a child. It is made to imitate the song of everybird, the neigh of a horse, the bray of an ass, the gruntof a hog. Birds, beasts, and snakes are enchanted and entrapped by it. Is used by Dan Bryant, Charley White,and all the Minstrels <<nd WTblers. Ventriloquism can receipt of 25c: three for 50c; $l-25 per dozen. T. W. VALENTINE, Box m Jersey City, N. STOCKS, DIES, AND SCREW PLATESHortons and other Chucks. JOHN ASHCKOFT, 50John St., New York. 16 tf IRON STEAMERS, HULLS, & & Specifications furnished on application.; HENRY J. DAVISON, 77 Liberty st., New York, Agent»Tor Pusey, Jones & Co. 21 tf E TURNER, Civil, Railway, and Mechan• ical Engineer. Address, care ol W. JACKSONbe learned in three days by its aid. Sent any where upon !;5U4 Walnut St., Philadelphia, Pa. Sent free of postage to any otw who will furnishhis address to HENRY CAREY BAIRD, Industrial Publisher, 406 Walnut St.,Philadelphia. /TO THE WORKING CLASS.—Wo arc now prepared tofur-niwh all classes with constant employment at home, the whgile ofthe time or for the spare moments. Business new, llglilandprofitable. Persons of either sex cosily earn from 50c. to $fperevening, and a proportional sum by devoting their whole timeto the business. Boys and girls earn nearly as much as all who


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Keywords: ., bookcentury1800, bookdecade1860, booksubjectiron, booksubjectsoci