Table of contents
April 1, 1865, Volume 12 No 14 (New Series) pp207-222
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Hand Drill, The Manufacture of Steel in Pittsburgh - pp207 - 208
doi:10.1038/scientificamerican04011865-207
The Way Rogers's Statuary is Made - pp208 - 209
doi:10.1038/scientificamerican04011865-208a
Illustrations of the Patent Office Reports - p215
doi:10.1038/scientificamerican04011865-215d
