Inside Out Library · Explore

Scientific American, Vol. 22, No. 21 (May 1870) (1870)

leaf 7

An illustration from Scientific American, Vol. 22, No. 21 (May 1870), 1870, leaf 7
and we regard it as a decided improvement upon othermethods hitherto employed. SSS Patented, through the Scientific American Patent AgencyDec. 22, 1868, by 0. B. Collins, whom address for further information. Box249, Charleston/.S, C. © 1870 SCIENTIFIC AMERICAN, INC. May 21, 1870.] 335

Patents · Manufacture · Machine · Iron · Wrought iron · Center · Slaughter house · Second floor · Scientific American · Patent office · Power required · Wire rope · Steam man · Supporting power · Cambium layer

Internet Archive · Public Domain Mark 1.0. Free to use for anything.

More pictures from Scientific American, Vol. 22, No. 21 (May 1870)

More like this