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Features

Wire Rope Traction Street Railway

Trade Marks

German Patent Law

Home News by Way of the Sun

A New Dodge

How to Build a Windmill

A Street Railway Improvement Wanted

Scientific and Practical Information - April 17, 1875

New Mode of Slaughtering Cattle

Extermination of the Phylloxera

Improved Bottle Stopper

Giffard's Railway Car

A Novel Design for a British Channel Tunnel

Practical Mechanism Number XXI

By Joshua Rose

Improved Bolt Cutter

Tomlinson's Improved Chimney Cowl

Improved Dinner Pail

The Kagu

The Grayhound

Decisions of the Courts

A Prize Plan for a Fireproof House

Recent American and Foreign Patents - April 17, 1875

Communications Received - April 17, 1875

Departments

  • Letters

    Correspondence - April 17, 1875

  • Recommended

    New Books and Publications - April 17, 1875

  • Departments

    Notes and Queries - April 17, 1875

  • Business and Personal - April 17, 1875

  • Index of Inventions - April 17, 1875

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Introducing Scientific American Health & Medicine

Introducing Scientific American Health & Medicine