Scientific American Magazine Vol 77 Issue 18

Scientific American Magazine

Volume 77, Issue 18

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Features

The Roller Boat Problem

The Automatic Coupler Law to be Enforced

New Argentine Law in Regard to the Sale of Medicines

Multiplication of Explosives

Our Great Cotton Crop

Changes in Swedish Patent and Trade Mark Laws

A Machine to Turn the Ends of Wagon Axles

An Improved Concentrator

The Columbia Chainless Bicycle

Surveying for a Railroad to the Yukon Valley

A Scottish Built Ferry Boat for Nova Scotia

A. J. Sinclair

A Great Pelican Rookery

C. F. Holder

The Astoria Hotel, New York City

"Magic Flowers"

To Inventors - October 30, 1897

Departments

The Heavens for November-1897

Recently Patented Inventions - October 30, 1897

New Books, Etc. - October 30, 1897

Notes and Queries - October 30, 1897

Index of Inventions - October 30, 1897

Business and Personal - October 30, 1897

Patents - October 30, 1897