Volume 26, Issue 670supp
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Features
A Basis from which to Calculate Charges for Electric Motor Service
War Ships of the Future
The Solomiac Torpedo Net
Covered Reservoirs
On Variable Load, Internal Friction, and Engine Speed and Work
Shrinkage Allowance for Railway Tires
On the Propulsion of Ships by Air Propellers
Photographic Objectives
Facts and Fallacies Regarding Them
A New Planimeter
On a New Sphere Planimeter.*