Inside Out Library · Explore
Scientific American, Vol. 31, No. 18 (October 1874)
1874 · 12 pictures
Patents · Iron · Engine · Inches · Improved · Scientific American · Center · Piston head · Grand cash · Silk tubes · Strong solution · Feet long · Quarter inch · Patent office · Specific gravity · Cash gift
Internet Archive · Public domain (published before 1931) · More from this library