United States. National Advisory Committee for Aeronautics, United States. National Aeronautics and Space Administration · Washington : G.P.O. · leaf 526
FIG, 2.—N. A. C. A. ACCELEROMETER WITH COVER REMOVED. … F;G. 3.- DETAIL OF MIRRORS AND DAMPINGMAGNETS.
Aeronautics
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
