Inside Out Library · ExploreScientific American, Vol. 64, No. 9 (1891) (1891)leaf 7Scientific Aiverican, [FEBRUARY 28, 1891. we Ol —$—<—<—_ © 1891 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.More pictures from Scientific American, Vol. 64, No. 9 (1891)More like this
