Scientific American, Vol. 13, No. 33 (April 1858)

1858 · 5 pictures

Claim · Patents · Purpose · Combination · Manner · Set · Arranged · Patented · Molten metal · Manner set · Purpose set · Scientific American · Purposes set · Claim making · Vertical planes · Patent office · York city · Grate bars

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