Scientific American, Vol. 8, No. 10 (March 1863)

1863 · 4 pictures

Patents · Combination · Claim · Purpose · Manner · Arranged · Scientific American · Gage · Fifteen times · Axis pin · Patent office · Spring latch · York city · Purpose set · American patent · Address munn · Railroad company

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