United States. National Advisory Committee for Aeronautics, United States. National Aeronautics and Space Administration · Washington : G.P.O. · leaf 512
FIG. 1. -RECORDING AIR SPEED METER. … FIG 2.—RECORDING AIR SPEED METER WITH ILLUMINATING AND RECORDING APPARATUS.474 KKSICN nC \VINI> IUNNKI.S ANI» Wl N l» IM i v V |. | i-irol-i I I Kl!-. II. 4 i.) r~1
Aeronautics
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
