The Life of Building Power Plants
An Important Question for Investors
Volume 77, Issue 1991supp
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Features
Giraffe's and How they are Hunted, Alloy Steel for Locomotive Parts
Optical Marvels in the Antarctic
Light-Pillars, Coronas, Auroras and Mirages That Greet the Southern Explorer
The Stability of Aeroplanes
Bites of Venomous Serpents and their Treatment
Wherever Serum is Employed the Mortality Has Become Almost Zero
The Industrial Synthesis of Sodium Cyanide
Probable That the Supply Will Exceed the Demand Through a New Development
The Arms of the Venus of Milo
The End of a Mystery
Deterioration and Preservation of Exhumed Antique Objects
The Remedy is Often Suggested by the Recognition of Its Cause
Life at Low Temperatures
Rare Gases
The Industrial Need of Technically Trained Men
Engineering as a Life Work—Electrical Engineering
Map of the World to a Scale of one Millionth
Agricultural Motors in the West Indies
Relations of Muscular Exercise to Altitude
Chemical Fire Extinguishers
Apparatus May Throw Water Mixed With Ingredients to Quench Even Large Conflagrations
Stereoscopic Pictures of the Moon
Obtaining a Mate for One Good Lunar Photograph Requires Long Waiting and Precise Exposures
The Shaw Electric Measuring Machine
The Promise of the Increasing Accuracy Required for Modern Engineering Work
Deepening the Suez Canal
A Record of Progress
The Serpek Process for Nitrogen Fixation
Silvering Mirrors
By Observing Proper Precautions a New Allied Process Yields Excellent Results