Scientific American Magazine Vol 69 Issue 24

Scientific American Magazine

Volume 69, Issue 24

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Features

“Gasocution”

The Wreck of the Louise H. Randall

Work on the Sewers of Paris

A Pneumatic Ventilator

An Improved Nut Lock

A Digging Machine to Deepen Channels, Etc.

A Combined Rubber Stamp Vulcanizer and Press

An Improved Recording Thermometer

Railroad Construction in Old and Modern Times

The Mont Blanc Observatory

Electric Propulsion of Canal Boats

The Manufacture of Desiccated Cocoanut

Improved Steam Steering Gear

To Inventors

Departments

Correspondence

Recently Patented Inventions

Notes and Queries

Business and Personal

New Books and Publications

Index of Inventions