Scientific American Magazine Vol 76 Issue 7

Scientific American Magazine

Volume 76, Issue 7

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Features

Shade Trees for the Harlem Speedway

The Green Cross

The Reclamation of the New Jersey Meadows

The Modern Version of Supply and Demand

Schemes for Checking Returned Newspapers

A Rapid Transit Tunnel between New York and Brooklyn

The Nicaragua Canal

Our New Torpedo Boats

A Handy Note Book Holder

An Improved Friction Clutch System

A Horseless Fire Engine

A Portable Electric Drilling Machine

The Harlem River Speedway, New York City

The Stability of the Battleship Indiana

The Sword Walker

William B. Caulk

To Inventors - February 13, 1897

Departments

Correspondence - February 13, 1897

New Books and Publications - February 13, 1897

Recently Patented Inventions - February 13, 1897

Index of Inventions - February 13, 1897

Business and Personal - February 13, 1897

Notes and Queries - February 13, 1897

Patents - February 13, 1897