Volume 109, Issue 6
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Features
Another Contest for the "America's" Cup
The Return to Yachts of Moderate Dimensions and Wholesome Type
A New Baseball Indicator
Some Novel Electrical Devices
Millions for Naval Armor--the Remedy, The Electrical Control Boards for the Panama Canal Locks and more
A French Cycle Racing-car
A Remarkable Review of Building Methods Old and New
The Leipzig Building and Trades Exposition
The War Against Field Mice in France
Arsenic, barium carbonate, and bisulphide of car-bon have been used with more or less success in de-strolling field mice and similar pests. The method now most favored consists in infecting mice with a contagious disease. In the following article the Danysz virus discovered at the Pasteur Institute of Paris and applied for this purpose is described.-- Editor.
Fire, Load and Water Test of Floor Arches
An Interesting Test in Which the Qualities of Gypsum, Terra Cotta Tile, and Reinforced Concrete Were Tested for Several Hours in Fierce Heat
The Industrial Need of Technically Trained Men--VI
A Study of Incomes of Technically Trained Men