Table of contents
Recently Patented Inventions
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Heroic Measures in Hudson Tunnel Construction - p270
doi:10.1038/scientificamerican04181908-270c
The Aviation Section of the Aero Club of America - p271
doi:10.1038/scientificamerican04181908-271
New York's Automobile Carnival and Hill Climb - p271
doi:10.1038/scientificamerican04181908-271a
Facts about the Use of the Air Brake - p271
L. F. Wilson
doi:10.1038/scientificamerican04181908-271b
The Latest Development in British Railway Locomotive Design - p272
F. C. Coleman
doi:10.1038/scientificamerican04181908-272
Weather Vane with Attachment for Indoor Readings - p272
William H. Place
doi:10.1038/scientificamerican04181908-272a
A Machine that Saws 240,000 Wooden Paving Blocks in a Day - pp273 - 274
Jacques Boyer
doi:10.1038/scientificamerican04181908-273
Is the Axis of the Earth Shifting? - pp274 - 275
J. F. Springer
doi:10.1038/scientificamerican04181908-274
Successful Test of the Cornu Helicopter - p276
doi:10.1038/scientificamerican04181908-276
The United States Battleships “Deiaware” and “North Dakota” - pp276 - 278
doi:10.1038/scientificamerican04181908-276a
Puck's Conception of the Scientific American - p278
doi:10.1038/scientificamerican04181908-278
Pneumatic Valve Mechanism for Piano Players - pp279 - 280
doi:10.1038/scientificamerican04181908-279d