Economic Industrial Applications of Electricity
A Potent Means for Conserving Fuel and Human Energy
Volume 85, Issue 2201supp
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Features
Acid Resisting Metals
Spark Lengths in Gases and Vapors
Problems Relating to Intercommunication between Wireless Stations
Ancient Clock Jacks
Curious Figures that Formerly Decorated Clock Towers in England
Substitutes for Coal for Gas-Making
The Rainbow
Vocational Education in England
Effective Methods of Fly Control
A Review of the Factors that Underlie the Problem
Oil for Air Compressors
The Evolution of the Human Face
Chief Stages in its Development from the Lowest Forms of Life to Man
Cat Tail Plant in Industry
Mid-Scotland Ship Canal
Focusing X-Rays
Single Wave Length Intensity Increased a Thousand Fold
The Real Dermatology
Meteorology and Aeronautics
Physical Properties and Dynamics of the Atmosphere