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Features

Latta's Apparatus for the Reduction and Retention of Fractures

Indelible Ink

Production of Gold and Silver

The Manufacture of Cold-Drawn Steel Tubes

Kangaroo on a Tread Mill

Improved Forge Hammer

Unmalted and Malted Barley as Food for Stock

The Lenoir-Gas Engine

By Fred. J. Slade

Polytechnic Association of the American Institute

To Recover Gold from Solutions

Tyler's Safety Switch

An Experiment with Clean Iron

Shaving with a Wooden Razor

The Cascade of Light

Air in Wine Tuns

English Ironclads

The Funnel of the “Bellerophon.”

A Perpetual Motion Humbug

Composition of Alloys

New Things in France

Curtis's carriage Wheel

Progress of Scientific Education

The Cholera

Rainey's Nursery Chair

A Paying Investment

Special Notices

Exhibition of a New Electro-Magnetic Motor

Explosion of a Petroleum Lamp

Supplemental Sheet

The Midland Steam Boiler Insurance Co

Notes on New Discoveries and New Applications of Science

A New Soda Process

New Publications

Cast Steel-Magnesian Crucibles

Patent-Office Decisions

An English Capitalist on Lock-Outs

Paper From Wood

Improvements in Gas Engines

Patent Claims

Issued from the U. S. Patent Office

To Our Readers

New Rates of Advertising

Mechanics

Inventors, Manufacturers

Improved Motion for Sewing Machines

Extension of Patents

Academy of Sciences

Hopkins's Water Cooler

Departments

  • Departments

    New Inventions

  • Correspondence

  • Notes and Queries

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April 21, 1866

Complex Causes. Alternative Solutions.