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Scientific American Magazine Vol 47 Issue 2

Scientific American Magazine

Volume 47, Issue 2

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Features

The Slaughter of Railway Men

Employment for the Idle

The Binary Injector

Raffard's Transmission Dynamometer

John Roach, of New York

His Ship-Building and His Views

A Simple Form of Storage or Secondary Battery

Automatic Boiler Feeder

Press for the Manufacture of Oils

Electricity as a Motor for Aerial Navigation

Miscellaneous Inventions - July 8, 1882

Mechanical Inventions - July 8, 1882

Departments

Recent Inventions - July 8, 1882

Index of Inventions - July 8, 1882

Notes and Queries - July 8, 1882

Business and Personal - July 8, 1882