Volume 2, Number 3 (1929)
Issue cover date: November 1929
Front Matter
Contents
Science Minded
Harold E. Murphy
Insects and Man
Roy L. Abbott
The Simple Machines
L. Begeman
Editors
- Editor-in-Chief
- Dr. C. W. Lantz
- Advisory Board
- Dr. L. Begeman
- Dr. E. J. Cable