Scientific American, Volum 72

361 Broadway acetylene acid Address amperes apparatus architect battery Bicycle boats boiler brake BUILDING EDITION burner carbon Chicago circular coal color Company conduit electric connected construction Contained in SCIENTIFIC copies cost cutter device diphtheria drill dynamo electric elevations and floor engravings feet floor plans frame furnace glass heat Ice Yachts illustrated improvement inch interesting invention inventor iron lamp Lathe lever light machine Machinery manufacture mechanism ment metal Mexico miles MONONGAHELA CITY motor MUNN MUNN & CO naphtha newsdealers operation paper patent perspective elevations pipe plants plate postal order pounds Price 10 cents produced published pump rail Railway Railway signal Railway switch rubber SCIENTIFIC AMERICAN SUPPLEMENT screw Scroll Saws Send for Catalogue Seneca Falls shaft spring steam steel Street supply Telephone tion Tools tricity trolley tube valve vessels wheel wire wood York City