THE SCIENTIFIC AMERICAN. 400 JERROLD & BEGGS’ STEEL SPRINGS. … On the 5th of January: next, the FOURTH VOLUME of the elapsed since the busin of procuring patents for inventors was in Figs. 2 and 3. A flat ribbon or plate of tempered “NEW SERIES” of the Scrrntiric AMERICAN will be commenced. commenced by Munn & Co., in connection with the publication of cast…
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