WORK, Me" commana STEEL SP evéRy oescRIPTION SCIENTIFIC EXPERIMENTS. — DE- ENGINE RAND DRILLCo 23 Park Pace new yori aa. DESIGNS scription of some simple and easily performed scientific 240 & 242 W. 297! ST. NEW-YORK experiments. Foucault’s pendulum, exchange of water Catalogue Free Also Foot… … sents the most recent papers by eminent writers in all Combined Water Motors and Dynamos. MECHANICS’ TOOLS. Cyclone Coffee Mills for Grocers’ use. the principal departments of Science and the Useful Combined Motor and Mill in one case, The Koch Patent File, for preserving Newspapers, Mag- If you…
Internet Archive · Public domain (published before 1931). Free to use for anything.
