Surveying and Mapping from Airplanes
How Recent Experience in War Mapping May Be Applied in Completing Our Topographic Map
Features
Recent Developments in Marine Lighting—II
The Unattended Light
Tests on Strength of Joiner's Glue
Fixation of atmospheric Nitrogen in Japan
Meeting New Demands
What the War and the Airplane Development Mean to the Paint and Varnish Makers
Helium for Airships
A Novel Pile Driver
Burning Fine Anthracite and Bituminous Coal
New uses for Zircon
The Chemistry of Laundering
The Cleansing of Cloth as an Example of Science in Service of Man
The Color of Water—II
A Valuable Compendium of the Literature on a Neglected Subject
The Light-Giving Power of the Stars
Electric Propulsion for the U. S. S. New Mexico—II
The Single-wound, Variable Speed Motor, with Double-squirrel-cage Rotors of the New Mexico
Minerals and Manufactures in Mesopotamia
The Continuous-Rated Motor and its Application
An Interpretation of the A. I. E. E. Standardization Rules as Applied to Motors
