Secret EG & G-1023 inc « Edgerton, Germeshausen & Grier, Greenhouse Brimstone fiducial markers. April 6, 1949 Fussell and O'Keefe ' 44 a AT id a ee 9PP G-1038 Secret Edeerton, termeshausen & Grier, Inc. Frimstone -hote-ra.hic recording systems. Davis = Fussell 54np Greenhouse Jenuary 17, 1°50 KG & G-1042 Edgerton, Germeshausen & Grier, Inc. Shock asymmetry coverage from aircraft. R. N, Davis 15 February 1950 gerton, Germesha- usen & Grier, Inc. & pp Drone Aircraft Shock Vaves = Photographic Analysis ~ . ‘