| 1. |  | Letter, 1936 Feb. 4, Burbank, Calif., to Dr. Edward C. Elliott, Lafayette, Ind. | Putnam, George Palmer, 1887-1950--Correspondence; Elliott, Edward C. (Edward Charles), 1874-1960--Correspondence; Airplane equipment; Earhart, Amelia, 1897-1937; Purdue University | Letter from George Putnam to Edward Elliott regarding progress on flight equipment, February 4, 1936 |
