The SciencesOctober 1, 1921
Needed--A New Army Uniform
An Argument and a Suggestion Regarding a Change in our Doughboy's Outfit
Stories by E. C. Crossman
TechnologyOctober 16, 1920
A Pocket Machine Gun
TechnologyAugust 25, 1917
Gas Engine Drive for Submerged Submarines
A California Experiment Which Aims To Supplant the Storage Battery