The Incongruities of American Patent Litigation
A Plea for Adequate Protection of Intellectual Property
Volume 74, Issue 1925supp
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Features
Geared Steam Turbines
Their Development for Ship Propulsion
The Flashing Arcs
A Volcanic Phenomenon
Native Placer Mining in Colombia
Primitive Tools Sometimes More Efficient Than Those Listed in Modern Catalogues
Economy Due to Superheated Steam in Marine Practice
Increased Thermal Efficiency Gained Without Additional Cost for Repairs
Completing the Panama Canal
A Brief Account of the Greatestgineering Work of All Time
Nature as a Physician
The Blunders She Makes in Her Efforts to Cure
The Conquest of the Air by the Chemist
Oxidation of Atmospheric Nitrogen and the Development of the Resulting Industries of Norway
Grinding Wheels and Safety of Operation
Protecting Human Life and Limb
Non-stop Delivery to Aeroplanes
A Proposed Device for Taking On Board Supplies While in Full Flight