A Noble Presidential Precedent, How Fast do Birds Fly?, Important Patent Legislation

Electricity, Science, Aeronautics

A Giant Junk Yard

A Plant that Handles Anything from Discarded Battleships and Abandoned Railroads to Old Tin Cans

A Radio Link in Our Telephone System

Making Satisfactory Glass from American Clays

Hydraulic Power Under a Mile-High Head

Some Interesting Details of a Remarkable Pelton-Wheel Installation in Switzerland

Science Coming into its Own

The National Research Council and Other Research Organizations and Some of Their Achievements

A Chat with Madame Curie

What the Discoverer of Radium Thinks of Us and What We Think of Her

Weapons at Sea

The Place of Aircraft and the Battleship

Lightning

A Brief Statement of Its Nature, with Some Figures and Some Photographs

Counting Bacteria

Daylight Projection of Opaque Subjects