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Scientific American Magazine Vol 7 Issue 24

Scientific American Magazine

Volume 7, Issue 24

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Features

Crane for Railroads

Marble Cement

Malaga Raisins

Laws for Railroads

Middle Rail to Prevent Cars Running off the Track

British Metals

Disinfecting Lamp

The Age of Gold and Iron

New York Mechanics' Institute

Cement to Mend Earthen and Glass Ware

Geology of the Lead Mine—No. 1

Bolt Heading Machine

Francis' Life Boat

Railroad Accidents

Ordinates of Semi-Elliptic Arches

Recent Foreign Inventions

A Fact About Winters

Physical Benefit of the Sabbath

Sulphate of Quinia—Its Use and Abuse

Improvements in Fire-Board

Magnetic Forces

Invention for Cutting Butter out of Tubs

Improved Loom for Weaving Piled Fabrics

Heat Radiator, and Condenser

Improvement in Hanging Carriage Bodies

Writing Machine

Wilton's Stone-Dressing Machine in Tennessee

Perpetual Motion

To Prevent Accidents by the Breaking of Railroad Car Axles

New Smut Machine

Walking Like a Fly Head-Downwards

Glass Dials for Public Clocks

Communication through the Lakes with the Pacific

History of the Re-Issue of the Woodworth Patent

Ventilation

Mind Your Business

Steam Navies

An Important Paragraph

Petitions for Extension of Patent

List of Patent Claims

New Arrangement

Wooden Boxes for Machinery

Back Numbers and Volumes

Inventors

Scientific Memoranda

On Boilers—No. 14

Hussey's American Reaping Machine

Electricity—Its Uses

Effects of Using Tobacco

Departments

To Correspondents

An Apology