Variable Atomic Weights
With Some Reference to Geologic Time
Features
Charms against Earthquakes
Results of Volcano Study in Hawaii
Moonshine Land
Where Slackers and Deserters are Finding Refuge
A Frequent Cometary Visitor
Some Peculiarities of Color and their Bearing on Photographic Work
Wartime Rations for Animals
What the Road Really Costs
“Cellulon,” A New Wood Pulp Fiber
Cross-Hairs for Optical Instruments
Internal Ballistics
The Red Sunflower
The Story of a new and Highly Decorative Blossom
Alcohol from Horsechestnuts
Radiation and the Electron—II
New Facts Require a Revision of Classical Theories
Waste in the Hiring of Men
The Modern Languages Report
Oxygen Tendering of Laundry Goods
Water Hyacinth as a Fertilizer
Zirconia and Zirconia Apparatus
Temperature Sensitive Paints
Banish the Barberry
Common Barberry a Menace in Spring-Wheat States—Spreads Rust to Wheat and Other Grains
Paraguayan Handmade Lace
Geological Structure in Relation to Magnetic Disturbance
A New Form of Mounting for Large Reflectors
The Heavy Oil Engine—II
A Review of the Present Construction and Future Development
Departments
- Letters
Correspondence- August 3, 1918
