Lightning Arresters
Some Recent Developments
Volume 67, Issue 1742supp
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Features
The Science of Managing Boilers and Furnaces
Direct Reaction of the Human Ear to Alternating Currents
The Effects of Wireless Telegraphy on Operators
The First American Steam Turbine
A Description Of The “Bailey Jack”
Time and Labor Savers
Little Things For The Shop
Aeroplane Problems
Difficulties In Construction
When is a Cord of Wood not a Cord?
New Light on Babylon and Assyria
Recent Excavations In Assur And Babylon
Will Artificial Synthesis Ever Supply the World with Food?
Mirror for Searchlights and Motor-Car Lamps
Refined Astronomical Researches
With A Simple Explanation Of Doppler's Principle
Petroleum Soaps
The Technique of Desiccation
The Artificial Drying Of Agricultural Products And Wastes
The Biology of Chlorophyl
Chlorophyl And The Relation Of Green Plants To Light
The Java Snake Skin Industry
Coal Analysis
Coal Beds And Their Composition