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Scientific American, Vol. 20, No. 1 (January 1869)
1869 · 6 pictures
Patents · Water · Improved · Machine · Scientific American · Valve · Wrought iron · Wood working · Steam engine · Antedated december · Professor silliman · Agents wanted · Foot lathe · Patent office · Waste liquor
Internet Archive · Public domain (published before 1931) · More from this library