Six Aviation Engines
The Alexander Prize for Aeronautic Motors
Volume 70, Issue 1824supp
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Features
Manufacture of Radium Salts
The Mechanical Theory of Nature
Relations of Modern Physics to the Mechanical Interpretation of Nature
The Telephone and the Railroad
Train Dispatching by Telephone
A Horseshoe Rolling Machine
A Substitute for Hammer and Anvil.by the Berlin Correspondent of the Scientific American
Experiments in Diamond Making
The Physiology of Light.--I
Some of its Ocular Effects
Rubber Plants on the Ivory Coast
The Great River of the Northwest
A Stream with a Future
To the Pole by Airship
Polar Exploration According to Zeppelin
Up-To-Date Toys
New Inventions in Playthings
Surface Tension and Vital Phenomena
The Markings of Mars
The Planets and their Motions
Progression and Retrogression
A New Map of the World
The International Millionth Map