Electric Furnaces for Heating Steel—II
Facts and Figures Relating to New and Valuable Methods
Features
Musical Woods
Marine Wood Borers
Little Known Crustaceans of Destructive Habits
A Museum of Crime
Electric Ignition Devices for Gas Engines
Acoustics of Auditoriums—I
An Investigation of the Acoustical Properties of the Auditorium of the University of Illinois
The Widening Pellagra Zone
The Welfare of Workmen in European Enterprises
Improved Housing Provided, and Health and Social Conditions Considered
Modern Electric Protective Devices
Rail Sections as an Element in Steam and Electric Traction—I
Early History of Track Construction and Developments Made Possible
Deep Sea Soundings
Measuring Shocks of Vehicles and Vibrations of Buildings
A Means for Investigating Important Traffic Problems
Prehistoric Man and his early Efforts to Combat Disease
Some Interesting Experiments Reproducing Primitive Surgical Methods
The use of Marine Turbines
One of the Mysteries of Chemistry
Useful Reactions Where the Inducing Substance is not Changed or Consumed
