Inside Out Library · ExploreScientific American, Vol. 71, No. 22 (1894) (1894)leaf 7344 BRUNSBUTTEL LOCK. INTERIOR OF BASIN IN === SE © 1894 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.More pictures from Scientific American, Vol. 71, No. 22 (1894)More like this
