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Scientific American Magazine Vol 54 Issue 6

Scientific American Magazine

Volume 54, Issue 6

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Features

American Precious Stones

Stoppage of the Cleveland Water Tunnel by Ice Spicules

Night Sky--January and February - 1886

Richard A. Proctor

Expanding Pulley

Honey Extractor

Spring Trap

Strainer and Cut-Off

A Simple Traveling Top

Machine for Carding Buttons by Electricity

Saucepan and Cover

Improved Fish Hook

Photographic Notes - February 6, 1886

Improvement in Stone and Marble Sawing Machines

The Big Bend Tunnel in Butte County, California

Condensing Engine, Antwerp Exhibition

Design for an Observatory Tower

A New Mass of Meteoric Iron

Agricultural Inventions - February 6, 1886

Miscellaneous Inventions - February 6, 1886

Engineering Inventions - February 6, 1886

Departments

Correspondence - February 6, 1886

New Books and Publications - February 6, 1886

Business and Personal - February 6, 1886

Notes and Queries - February 6, 1886

Index of Inventions - February 6, 1886