Scientific American, Vol. 44, No. 16 (April 1881)

1881 · 10 pictures

Patented · Patents · Inches · Machine · Elevators · Iron · Scientific American · Hydraulic · Hot springs · Holtz electrical · Trade catalogs · Naked thermometer · Steamboat springs · Wrought iron · Nitric acid · Steam engine · Fire box

Internet Archive · Public domain (published before 1931) · More from this library