Scientific American Magazine Vol 73 Issue 13

Scientific American Magazine

Volume 73, Issue 13

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Features

Pennsylvania Coal Mining

The Collapse of the Coliseum Building, Chicago

The Opening of the Cotton States and International Exposition

The Second-Class Battleship Maine

An Electrical Signal Transmitter

A Simple and Inexpensive Car Coupling

A Portable Derrick

Morton's Perambulator, Rocker, Etc.

An Efficient Passenger Car Ventilator

The Largest Sailing Vessel in the World

An Efficient Horse Power and Pump

Charles Valentine Riley

A Mammoth Potato

International Yacht Races of 1895

The Gigantic Birds of Southern Patagonia

To Inventors - September 28, 1895

Departments

New Books and Publications - September 28, 1895

Recently Patented Inventions - September 28, 1895

Business and Personal - September 28, 1895

Index of Inventions - September 28, 1895

Notes and Queries - September 28, 1895

Patents - September 28, 1895