Spee ds fo other parts the construction is most practical, durable, B. C. DAVIS, Binghamton, N. Y. JAMES LEFFEL & CO., Pipes , Steamand Water Joints; To Make Spiral Springs; cheap,and of elegant form. They do not spoil the shoes Springfield, Ohio. Hardening; Tempering. FITTING CONNECTING or 110… … The Most Popular Scientific Paper in the World. some of the incidents connected with his first presenta- MOLECULAR PHYSICS IN. HIGH tionof the discovery to the scentitic world; such as the VOLUME XL—NEW SERIES, | INVENTORS’ INSTITUTE, incredulity of those to whom he suggested the use of his VACUA.…
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