Speed as a factor in 50 years of aviation progress
Subtitle: since the Wright brothers' first powered flight on December 17, 1903
By: prepared for educational use by Willis C. Brown
Contributors: United States. Office of Education
Series: Aviation education series; Circular -- no. 416; Circular (United States. Office of Education) -- no. 416
Publisher: U.S. Dept. of Health, Education, and Welfare, Office of Education
Published: 1955
Place of publication: Washington, D.C
Language: eng
Subjects: Air speed; Aeronautics
Other titles: Speed as a factor in fifty years of aviation progress.
Notes: Caption title.