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Shaw's Hot Air Engine

Sawing and Planing Machines

Improved Compensating Balance

A World's Fair in France

The Tea Culture Again

Refining Gold

A Curious Incident

Books and Magazines with Uncut Leaves

A Large Straw Cutter Wanted

Electricity as a Motive Power

Shipbuilding in Maine

California Gold Inexhaustible

The Cashmere Goat an Adopted Citizen

Improved Loom Clasps

Stone Drilling Machine

Self-Feeding Metal Drills

Patent Office Report

The Steamer Rotary

Steam Carriage for Common Roads


Foreign Patents

Merchant and War Steamers

Reform of the Patent Laws

Morse's Telegraph Patent

The Cholera

Types of Mankind

American Linen Factory

Recent Foreign Inventions


[For the Scientific American.]

Melting Point and Transformation of Sulphur

A Great Bridge

Freaks of Lightning

To Purify Hard Water for Steam Boilers

Filling Bottles


Manufacturers and Inventors A new volume of the Scientific American

Appearance of the Earth from a Balloon

Minot's Ledge Lighthouse

Dammara Varnish


  • From the Editor

    To Correspondents

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