Volume 113, Issue 1
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Features
Trench Warfare
Ten Hours of Trench Digging for Ten Minutes of Rifle Fire
Cipher Codes and Their Uses
Science in German Concentration Camps
Necessary, Not Only for Humanitarian Reasons, But for Self-Pre-servation
The Verdict of the Insects
Austria's Famous "Skoda" Mortars
The powerful weapon which assisted in the reduction of Liege, Namur, Maubeuge, Civet, Antwerp and Przemysl. It requires a crew of 200 men. Its range is so great that an enemy would have to march two hours to capture it--sufficient time for its dismemberment and removal.
Bath Trains of the Russian Army
Each Train Can Daily Give a Bath to at Least 3.000 Soldiers. It Provides' for the Serving of Refreshments and Affords Numerous Utility Advantages
The Fight Between the "Constitution" and the "Guerriere"
Naval Warfare as Carried on One Hundred Years Ago
The Modern Submarine
Methods of Control of the Latest and Most Dreaded Type of Warship
The How and Why of the V-Type Motor
Efforts to Produce a Steady Stream of Power by the Use of Eight and Twelve Cylinders
How Rifle Bullets Fly
French and Swiss Bullets of Stream-Line Shape to Reduce Air Resistance
The German Post Office and the German Army
The Working Scheme of the Field Post Had Long Been Prepared in Time of Peace
The Machinery of Modern Submarines
Various Motor Types
The Strategic Moves of the War
Our Military Expert--June 23rd, 1915