Inside Out Library · ExploreThe spacing of orifices for the measure of pressure distributions (1926)NASA Technical Reports Server (NTRS) · leaf 51• A. Tsclinical llote No.330 Figs.?,3,9 & 10 … Fig.9 Fig.10NASA Technical Reports Server (NTRS)Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.More pictures from The spacing of orifices for the measure of pressure distributionsMore like this