Table of contents
Recently Patented Inventions
Notes and Queries
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Rapid Development of Wireless Telegraphy - pp178 - 179
doi:10.1038/scientificamerican09211901-178d
Germany's Commercial Depression-Its Causes and Effects - p179
doi:10.1038/scientificamerican09211901-179a
Self-Propelling Automatic Grab Bucket - pp180 - 181
doi:10.1038/scientificamerican09211901-180a
An Adjustable Electric Book Lamp - pp181 - 182
doi:10.1038/scientificamerican09211901-181a
The Croton Dam for the Water Supply of New York City - p182
doi:10.1038/scientificamerican09211901-182
A Curious Means of Defense - pp186 - 187
Charles Frederick Holder
doi:10.1038/scientificamerican09211901-186