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Scientific American Magazine Vol 94 Issue 22

Scientific American Magazine

Volume 94, Issue 22

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Features

Denatured Alcohol Freed from Taxation

Recent Experiments in the Preservation of Meat

The Rapid Transit East River Tunnel Defects

Present Conditions at Panama

A New Compound

Lecture-Room Boomerang

A Unique Vacuum Apparatus

The Brierley Fog-Signaling Apparatus for Railroads

By the English Correspondent of the Scientific American

The Excavation for the Pennsylvania Railroad Station, New York

Apparatus for Viewing Diffraction Color Photographs

Water Sterilization

Alfred Gradenwitz

Through a Window of the Sea

Charles Frederick Holder

Thomas A. Edison Automobiling to the South

Business and Personal Wants

Departments

The Heavens in June

Correspondence

New Books, Etc.

Index of Inventions

Recently Patented Inventions

Notes and Queries

Patents