Volume 76, Issue 1966supp
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Features
Synthetic Tannin
Open Air Coal Mining
Stripping Methods Employed in the Anthracite Coal Region of Pennsylvania
Correction
Bird Calling
An Attractive art for Lovers of Nature
Some Aspects of the Subject of Transportation
II.—Inland Waterways
The New Seismology
Earthquake Study as a Branch of Physics
The Industrial use of Synchronous Motors by Central Stations
Bettering Service by Co-operation between Producer and Consumer
The Present Appearance of some Temporary Stars
Preserving a Record for Future Observers
Heredity and Genius
The Corona Method of Removing Smoke and Dust from Gasses
A Highly Efficient Form of Electrical Precipitation
The Manufacture of Carbon Black from Natural Gas
Greatest user of Asbestos
Our Debt to Pure Science
The Twelfth International Congress of Geology
The Worlds Coal Supply the Principal Topic for Discussion
The Seat of the Soul
Views Held by Prominent Thinkers of the Past and Present
Sources of Motor Fuel
An Important Discussion at the British Motor Transportation Conference