Table of contents
Recently Patented Inventions
Notes and Queries
Index
Patent Notes
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Direct Current vs. Induction Motor for Electric Traction - p146
doi:10.1038/scientificamerican08291903-146b
The Trap-Lantern as an Insect Exterminator - p147
Harold Bolce
doi:10.1038/scientificamerican08291903-147
Balloon Measurements of Mammoth Cave's Height - p147
Horace C. Hovey, Dr
doi:10.1038/scientificamerican08291903-147a
Automatic Paper-Feeders for Printing Machinery - pp149 - 150
doi:10.1038/scientificamerican08291903-149
Development of the 90-Foot Racing Yacht - pp152 - 154
doi:10.1038/scientificamerican08291903-152
Improved Breech Mechanism for Heavy Guns - p154
doi:10.1038/scientificamerican08291903-154
Light Motor for a St. Louis Contest Airship - pp154 - 155
doi:10.1038/scientificamerican08291903-154a
Machine for Grooming and Shampooing Horses - p155
doi:10.1038/scientificamerican08291903-155