Volume 124, Issue 8
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Features
Shipping Coal by Wire
The Springdale Undertaking--A Great Power House at the Mine Mouth
A Rural School Museum
How Pullman Space is Sold
The New Concepts of Time and Space
A Brief Account of What Einstein has done to these Fundamental Notions By Jumbo Montgomery Francis New York
Film Lighting as a Fine Art
Explaining Why the Fireplace Glows and Why Film Stars Wear Halos
Round Seeds and Mechanical Ingenuity, Making Porous Bricks of Slag
The Army School for Weather Observers
Salt from the Sea
Some Details of a Little Known California Industry
Keeping Check on Factory Air
Solid Fuel for the Gas Engine
Why Not Radio?
Some Technical Advances which have made Wireless Commercially Practical