Inside Out Library · ExploreReport (1915)United States. National Advisory Committee for Aeronautics, United States. National Aeronautics and Space Administration · Washington : G.P.O. · leaf 694FIG. 2.—PRESSURE ELEMENT: ASSEMBLED. FIG. 3.—PRESSURE ELEMENT: PARTS.AeronauticsInternet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.More pictures from ReportMore like this