c 0 P E § Telescopes, Spectacles, Bars LIQUID PAINTS, AND PURE COLORS. partments of Science and the Useful Arts, embracing . A Dutch Engineer, with 12 years’ experience in Russia, ometers, Thermometers, Pho- and good references, is desirous to represent American Biology, Geology, Mineralogy,… … PRINTING INKS. MIN patents in ail the principai countries of the worid. MUNN & CO., Solicitors of Patents, 361 Broadway. New York. (HE “Scientific American” is printed with CHAS. ENEU JOHNSON & CO.’S INK. ‘Tenthand Lom- My BRANCH OFFICE:—Corner of F and 7th Streets, ™ bard Ste. Phila., and 47 Rose…
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