A Psychological Analysis of Stuttering
Indicating Faulty Visualization at Time of Speech
Volume 81, Issue 2087supp
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Features
Cancer—a Disease of Many Forms
Effect of Smoke on Trees
The French Life-Saving Helmet
Which Has Greatly Reduced the Number of Head Wounds
The Noise of a Bullet
Building a Big Earth Dam
Interesting Details and Methods of Construction
Cleaning a Steel Knife
A Method of Detecting Various Mineral and Alkaloid Poisons in Water
The Transformation of Pure Iron
A Discussion of Certain Physical Properties, and the Question of Allotropy
Protective Coatings for Metals
A Review of Various Processes for the Prevention of Oxidation
Some Noted Zoological Parks
The Gardens of the Zoological Society of Philadelphia
Germany Devises Substitutes
Cheap Subsitute for Horn
The Hardwood Distillation Industry
And What the Chemist Has Done for it
Action of Acetylene on Metals
The Cause and Cure of Pellagra
The Electrical Universe
Genus Allium
Antiquity and Utility
A New Method of Mining Coal
Open Mining Made Possible by Giant Shovels
Rifle Fire
How it is Employed in Attack and Defense
Artificial Rain
Chinese Methods of Operating Machinery
Electric Activity in Ore Deposits—I
Complicated Conditions and Some of the Results