The Fallacy of the Nebular Hypothesis
Celestial Mechanics and Other Facts That Demand a New Theory
Volume 81, Issue 2112supp
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Features
Drying Methods
The Making of Military Roads
Extensive Work Necessary for the Efficiency of an Army in the Field
Collecting Minute Plankton
Electrolytic Iron
Throwing Liquid Fire
One of the Novel Weapons Brought Fourth by the War
The Purification of Water Supplies
Various Systems Adopted and Some of the Results Obtained
Making Roads and Men
Modern Methods That Are a Double Benefit to the Public
A Case of Arsenic Poisoning
Capillarity and Soap Films
Electricity on the Farm
Economy in Study—V
Examination Preparedness
Wireless for Motorboats
The War-Zeppelin
A Lecture-Room Oscillograph
An Instrument for Projecting Images of Alternating-Current and Voltage Waves Without Distortion