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A Great Salvage Feat

Rapid Development of Wireless Telegraphy

Proposed Remodeling of the Croton Dam

"God's Will be Done—Not Ours"

Canaigre Growing in the United States

Germany's Commercial Depression-Its Causes and Effects

The New French Liner "La Savoie"

Science Notes

A New Driving Axle for Automobiles

Self-Propelling Automatic Grab Bucket

An Adjustable Electric Book Lamp

House Boat "Loudoun"

The Croton Dam for the Water Supply of New York City

Improved Hydrographic Instruments

The Manufacture of Caramels

A Curious Means of Defense

By Charles Frederick Holder

Increasing Use of Oil on Highways

Business and Personal Wants

READ THIS COLUMN CAREFULLY--You will find inquiries for certain class of articles numbered in consecutive order. If you manufacture these goods write us at once and we will send you the name and address of the party desiring the information. In every case it is necessary to give the number of the inquiry

To Inventors


  • Departments

    Correspondence - September 21, 1901

  • Recently Patented Inventions - September 21, 1901

  • Index of Inventions - September 21, 1901

  • Notes and Queries - September 21, 1901

  • Patents - September 21, 1901

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September 21, 1901