Volume 30, Issue 19
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Features
The Famine in Bengal
Eremacausis Versus Burial and Cremation
The Centennial Subscription
Army Ants
Scientific and Practical Information - May 9, 1874
The Effective Power of Turbine Water Wheels
The Vertical Multiplier Boring Machine
Improved Fuel Economizer
Astronomical Notes - May 9, 1874
The Meeting of the National Academy of Science
Gardner's Improved Wheel
The Whitmore Turbine Wheel
Cremation Furnace
The Centennial Exhibition
Recent American and Foreign Patents - May 9, 1874
Decisions of the Courts - May 9, 1874
United States Circuit Court--Northern District of New York
Answers to Correspondents - May 9, 1874
Communications Received - May 9, 1874
Canadian Patents - May 9, 1874
List of Patents Granted in Canada. April 8 to April 10,1874