Inside Out Library · ExploreComparison of United States and British Standard Pitot Tubes (1920)NASA Technical Reports Server (NTRS) · leaf 8FIG.2.—U. S. NAVY STANDARD PITOT-STATIC TUBE 6-2NASA Technical Reports Server (NTRS)Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.More pictures from Comparison of United States and British Standard Pitot TubesMore like this