The Koerting 200-Horse-Power Valveless Two-Cycle Petroleum Engine for Submarine Boats
The English Correspondent of Scientific American
Features
Practical Results in the Preparation of Plastic Material
Testing Rubber Samples
Solders.—I
Properties of the Series Transformer
Electric Smelting of Canadian Iron Ores
Introduction
A Novel Microphone
The Electrification of the West Jersey and Seashore Branch of the Pennsylvania Railroad
Linotype Metal
A Native Steel-Smelting Village in West Africa
By the English Correspondent of Scientific American
Platinum Plating and its Execution
Effect of Moisture on the Strength and Stiffness of Wood
Hot-Air Ballooning
An Electric Recording Pyrometer
Utilization of Waste Materials.—I
Wood Waste
