D UPON SCIENTIFIC AND PRACTICAL PRINCIPLES '■> BALL ENGINE Co. Erie Pa. ana.—By Joseph Holt, M.EL Description of the methods NATURAL GAS INDUSTRY AT PITTS- of disinfection practiced. With 4 figures. Contained in burg.Pa.—A brief history of the Chartiers Valley Gas Scientific American Supplement.… … Boiler Coverings, Millboard, Roofing, presents the most recent papers by eminent writers in without battery, 32 lights), giving a perfect light, with Building Felt, Liquid Faints, Etc. all the steadiness that can be obtained from the high- ESTABLISHED HALF A CENTURY. all the principal departments…
Patented · Apparatus · Iron · Patents · Steel · Scientific American · Munn · Water power · Pig iron · American supplement · Floor plans · Manganese bronze · Electric motor · Cast Iron · Field magnet · Express money
Internet Archive · Public domain (published before 1931). Free to use for anything.
