Economy in Study
Observation and the Taking of Notes
Volume 81, Issue 2102supp
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Features
Animals with Many Eyes
Varied and Curious Organs of Special Development
Engineering in the Navy
Superficial Deformation of Steel on Quenching
The Paper Textile Industry
Many Products in Which Paper May Be Substituted for Other Fibers
Large Naval and Coast Defense Guns
Their Process of Manufacture and Inspection
Varieties of Electric Motors
Oiling on Earth Roads
Presenting Suggestions for Obtaining Best Results
Flower Color
The Care of the Feet
The Injuries Resulting from Improper Shoes
Making Compressed Hydrogen
Spectacled Soldiers
Type Setting in Japanese
Detonation of Submarine Mines by Electricity
Injuries Due to Radium
Reports of Typical Cases and Recommendations for Prevention