Baker, M.P. The Wright Brothers As Aeronautical Engineers. Wash. D.C., Smithsonian Institution, 1950. Reprint from the Smithsonian Report for 1950 and a paper presented at a Society of Automotive Engineers meeting. 14pp + 10pp of b&w photos (2 per page) of Wright equipment and experiments, 6x9", heavy paper covers, stapled. Excellent condition.