Latent Life—I
Its Nature and Its Relations to Certain Theories of Contemporary Biology
Features
Fighting Above the Clouds
Effect of Water upon Carbon
An Electro-Chemical Action on Glass
An Unusual Action Not Heretofore Reported
A Telephone Sound Augmenter
New Archæological Lights—II
On the Origin of Civilization in Europe Concluded from Scientific American Supplement No. 2129, Page 259, October 21, 1916
Early Maps Relating to the Search for “El Dorado”
Prompters Boxes for Theatres
Canal and River Barges
The Enlisted Man in the United States Navy
Advantages and Opportunities Offered by the Service
Cultivation and Utilization of Sunflower, Niger and Safflower Seed
A Pallograph for the U. S. Navy Engineers
Thermometer Scales
Speech, its Culture and Refinement
What Is Done for It in Holland
What Causes a Fuse to Blow
A Morse Optical Pyrometer
An Instrument Adapted to a Wide Range of Laboratory Uses
Checking Forest Fires with Dynamite
The Genetic Relations of Certain Forms in American Aboriginal Art
Some Recent Post Office Improvements
The Passing of the Acid Bessemer Steel
Phases of Its Career in the United States and Great Britain
Powdered Coal as Fuel
One of the Best Means for the Promotion of Combustion Efficiency
