Volume 104, Issue 15
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Features
Combating the Sleeping Sickness
The Tasteful Use of Light
Color in Artificial Illumination
Light and Shadows
Ministering to Eye Comfort by Modern Methods
Good Coal and Poor
Purchase of Coal on the Basis of Its Heating Value
Drawing the Charge--Our Cover Design, The Adoption of Greenwich Standard Time in France
Heating the Home
Methods of Providing Warmth with Proper Ventilation
Lamps of To-day
Some Recent Improvements in Artificial Light Sources
Light and Power on the Farm
Independent Electric Generating Plants
Inventing the Light of the Future
The Eye as the Ultimate Judge
Science in the Current Periodicals - April 15, 1911
In this Department the Reader will find Brief Abstracts of Interesting Articles Appearing in Contemporary Periodicals at Home and Abroad
The Inventor's Department - April 15, 1911
Simple Patent Law; Patent Office News; Inventions New and Interesting