Some High-Pressure Phenomena

Latter Day Experiments that have thrown new Light on Physical Problems

Brittleness in Pure Iron

German Sources of Nitrates

A Garden Terrace Theater on a College Campus

Standard Highway Bridges

Annatto of Commerce

Phosphorescent Zinc Sulphide

Sands for Glass Making

With Especial Reference to Optical Glass

A War-Time Sales Argument

River Sanctity and the Engineer

Safeguarding the People's Food

Magneto-Ionization

Used Cartridge Cases

A Motor Ambulance Driver's Notes from the Front

Migration of Projectiles in the Blood Stream

The Occurrence in Virginia of Green-Gilled Oysters

Similar to Those of Marennes

Skin Friction Resistance of Ships

And our useful Knowledge of the Subject

Removal of Nicotine from Tobacco Smoke

Hardness and Hardening

An important property not yet Satisfactorily Deliminated