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Scientific American Magazine Vol 41 Issue 17

Scientific American Magazine

Volume 41, Issue 17

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Features

The Progress of Elevated Railways

A Zoological Garden for New York

The Origin of Machine-Made Pens

The American Institute Fair

Metallic Fences

New Torpedo Experiments by Capt. Ericsson

Shearing and Riveting Machinery

Mechanical Inventions

Agricultural Inventions

A Novel Candle

New Hydraulic Ram

Engineering Inventions

New Amalgamator

An Improvement in Stovepipes

Electric Jewelry

Miscellaneous Inventions

Palissy Plate

Baptismal Font

Communications Received

Departments

Business and Personal

Notes and Queries

Index of Inventions

Patents