Inside Out Library · Explore
Scientific American, Vol. 23, No. 2 (July 1870)
1870 · 8 pictures
Patents · Caisson · Water · Consists · Iron · Antedated june · Energy · White lead · Ten feet · Carbonic acid · Letters patent · Scientific American · Wrought iron · Steam road · Actual energy · Tangental force
Internet Archive · Public domain (published before 1931) · More from this library