"For the benefit of the air mail and the advancement of aviation."
Description based on: May 1927; title from cover.
Latest issue consulted: Oct. 1927.
1927:May-?1927:Oct.
Vol. 1, no. 1 and vol. 1, no. 2 lack title. Title of journal was decided by employee contest introduced in vol. 1, no. 1.
Description based on: Vol. 1, no. 5 (Jan. 29, 1929); title from cover.
Latest issue consulted: Vol. 3, no. 15 (Oct. 8,…