Inside Out Library · Explore
Scientific American, Vol. 37, No. 24 (1877) (1877)
leaf 4
tended across thefield. By an ingenious combination of a 8 spring,.R... The sides of the casemate are built as of brick cylinder, cam groove, shoe and bars, the wheel revolves and Tur German government contemplate introducing the covered with wrought iron plates. They are all sloped as the chain… … © 1877 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
More pictures from Scientific American, Vol. 37, No. 24 (1877)
More like this
