Scientific American, Vol. 38, No. 3 (January 1878)

1878 · 15 pictures

Pitch · Arc · Patented · Wheel · Diameter · Diametral · Arc pitch · Iron · Chordial pitch · Steam pipe · Diametral pitch · Natural history · Pitch circle · Intermediate steam · Square roots · Scientific American · Steam cylinder

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