Volume 74, Issue 1909supp
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Features
The Largest Railway Station in Europe
A New Railway Center at Leipzig, Germany
A Chapel on Wheels
Architectural Effects in Rolling Stock
Elements of Theoretical Aeromechanics
Part II Concluded. —Aerodynamics
Making the Blind Hear Light
Fournier d'Albe's Optophone
The Manufacture of Porcelain Insulators
Testing the Products for Leakage at High Tension
The Use of High-Pressure Gas in Works
The Oldfield Patent Bill
Not the Law, But Its Administration at Fault
Vocational Disabilities Due to Defective Color Sense
A Handicap More Common Than Generally Supposed
A New Process of Preserving Eggs
Carbonic Acid and Nitrogen Gas as Sterilizing Agents
Forcing Plants by Means of Radium
Treatment Must Be Applied During “Period of Rest”
New York's Enormous Annual Coal Consumption
The Coal Tonnage of New York City
Experiments on Durability of Tool Steel
Cutting Tests at Different Cutting Speeds and With Different Cooling Mediums