Scientific American Magazine Vol 55 Issue 26

Scientific American Magazine

Volume 55, Issue 26

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Features

Removal of Snow from Streets

A Good Rule--Doubt Must be Resolved in Favor of the Inventor

Direct use of Steam as Motive Power of Aerostats

The Atmosphere of Caves

Propulsion for Ocean Steamers by the Steam Jet

Improved Car Coupling

Improved Harrow

The Glycerine Barometer

Combined Hook and Buckle

Mercury Bubbles

T. O'conor Sloane

Telephone Transmitter

Cotton Chopper

Improved Sugar Machinery

Fall of a Great Water Tower

Recent Types of the Gatling Gun

The Fishing Frog

Trichechus Americanus--Manatee

W. O. Ayres

Engineering Inventions

Special - December 25, 1886

Mechanical Invention

Agricultural Inventions

Miscellaneous Inventions - December 25, 1886

To Inventors - December 25, 1886

Departments

New Books and Publications - December 25, 1886

Business and Personal - December 25, 1886

Notes and Queries - December 25, 1886

Index of Inventions - December 25, 1886

Index - December 25, 1886