Inside Out Library · ExploreThe D.V.L. Gliding-angle Control : W. Hubner Design (1933)NASA Technical Reports Server (NTRS) · leaf 11NASA Technical Reports Server (NTRS)Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.More pictures from The D.V.L. Gliding-angle Control : W. Hubner DesignMore like this
