Scientific American Volume 77 Number 07 (August 1897) . HPVEITIE6 ?. ETC. HEW TORg I Experimental & Model Work Cirs, and ad vice free. Gard am & Son, 45-51 Rose St., STRONG CASTINGS. auicKoEnvERY ^ .T PATTERN WORKTO ORDER. ACME Malllable IRON Washington, D. C, Bliss Building. Bliss School of Electricity The only institution teaching practical electrical exclusively. Laboratory equipment open October 1st. Caitalogue on application. 80 YEARS* TRADE ,COPYRIGHTS &c. Anyone sending a sketch and description mayquickly asce


Scientific American Volume 77 Number 07 (August 1897) . HPVEITIE6 ?. ETC. HEW TORg I Experimental & Model Work Cirs, and ad vice free. Gard am & Son, 45-51 Rose St., STRONG CASTINGS. auicKoEnvERY ^ .T PATTERN WORKTO ORDER. ACME Malllable IRON Washington, D. C, Bliss Building. Bliss School of Electricity The only institution teaching practical electrical exclusively. Laboratory equipment open October 1st. Caitalogue on application. 80 YEARS* TRADE ,COPYRIGHTS &c. Anyone sending a sketch and description mayquickly ascertain, free, whether an Invention iaprobably patentable. Communications strictlyconfldentfal. Oldest agency for securing patenuin America. We have a Washington office. Patents taken through Munn & Co recelvQspecial notice in the SCIENTIFIC AMERICAN, beantlfullT illustrated, largest circulation ofany scientific lournal, weekly terms $ a year; slz mouttas. Specimen copies and HanoBo«)E ON Patents sent free Address MUNN & CO.,361 Broadway. New York. HEAVEN AND HELL rnTse*nf em^IJ? TTBL SWEDENBORO. The grandest, most interesting,and instructive book ever writtenon the subject. Morecan be learned about genuine religion and the futurelife than from whole libraries of other books. ;3 by mail on receipt of 60 cents. Address WM. , 2129 Chestnut St., Philadelphia, Pa. How to Build a Home


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