e-Co , Syracuse, N. Y.. U.S.A. 1 and use of smokeless gunpowder, giving a (-ketch of its J3T" Sendfor Catalogue. s? ELECTRIC_L!GHT [cOmpike pJ%ts5:oS3ushts 1 history and the methods of producing it. Contained in The Most Popular Scientific Paper in the World I Scientific American Supplement, No.… … American Supplement can be had at this office for and accompanied with translated descriptions. The 10 cents. Also to be had of newsdealers in all parts of Scientific American Supplement Is publishedweek- the country. „__________^__^_^______ ly, and includes a very wide range of contents. It pre-…
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