Home Archive Search Media Media-41783.jpeg UPL 41783 IMAGE Download Image By downloading this image, you are agreeing to our Terms and Conditions A Stereometric Stereoscope was used by the USAAF to screen candidates for Pilot School. Revisions Date: 1 Mar 2020 17:20:12 ContributorGreg LipscombChangesCreated entry with collection, caption, unit associations and person associationsSourcesGreg Lipscomb