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Scientific American Magazine Vol 60 Issue 19

Scientific American Magazine

Volume 60, Issue 19

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Features

The Grand Scenery of Oregon

The Centennial of the Inauguration of George Washington as President of the United States

Floating Wrecks

An Improved Folding Step for Vehicles

An Improved Trousers Strap

Improved Inking Device for Type Writers

A Coupon Ticket Stamp and Punch

Gem Pencil Sharpener

An Improved Cultivator

A Mirror Attachment for Opera Glasses, Etc

A Magnet for Experimentation

M. Hopkins

An Improved Padlock

A Fountain Brush and Sponge Holder

A Steam-Propelled Sled

Triple Expansion Engine

The Venomous Serpents or Toxicophidia of the United States

Caudal Appendage in Man*

Crude Petroleum for Manufacturing Purposes

Index of Inventions- May 11,1889

Departments

Correspondence- May 11,1889

Business and Personal- May 11,1889

Recently Patented Intventions- May 11,1889

Notes and Queries- May 11,1889

New Books and Publications- May 11,1889

To Inventors- May 11,1889