ELIABLE.* SCIENCE RECORD S<OI-Z-«»rW hOOJiO VALLEY MACHINE COMPANY, A Yearly Compendium of Scientific Progress and EXTBA HEAVY AND IMPROVED. OF THE Discovery. 600 pages, octavo. Price $2.50, Easthampton, Mass. 1UCIUS W. POND, MANUFACTURER Illustrated. The volume for 1814 SCIENTIFIC AMERICAN.… … 12.—GEOLOGY AND MINERALOGY. should think of doing without the sciRSTiFir: A?.icri - 13.—ASTRONOMY Todd & Rafferty Machine Co. 14.-BIOGRAPHY. can. Every number contains from si\ to ten engraving* PENN WORKS, Every person who desires to be well Informed concern- of new machines and Inventions which…
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