Inside Out Library · ExploreScientific American, Vol. 92, No. 16 (1905) (1905)leaf 8APRIL 22, 1905. Scientific American 325 THE CONCRETE AMPHITHEATER AT BERKELEY, CAL.Internet Archive · Public domain (published before 1931). Free to use for anything.More pictures from Scientific American, Vol. 92, No. 16 (1905)More like this
