The age of wings.
By: An instructional unit written by teachers for use in the Denver junior high schools ... Produced under the direction of the Department of instruction, Denver Public schools, Gilbert S. Willey, director.
Published: 1944
Place of publication: [Denver]
Language: eng
Number of pages: 47
Subjects: Aeronautics -- Study and teaching (Elementary)
Notes: Bibliography: p. 40-47.