Volume 9, Issue 42
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Features
Shaw's Hot Air Engine
Sawing and Planing Machines
A World's Fair in France
A Large Straw Cutter Wanted
Books and Magazines with Uncut Leaves
A Curious Incident
Refining Gold
The Tea Culture Again
Electricity as a Motive Power
The Cashmere Goat an Adopted Citizen
Shipbuilding in Maine
California Gold Inexhaustible
Self-Feeding Metal Drills
Stone Drilling Machine
Improved Loom Clasps
Merchant and War Steamers
Foreign Patents
Patent Office Report
Tinning
Steam Carriage for Common Roads
Types of Mankind
The Steamer Rotary
Morse's Telegraph Patent
The Cholera
Reform of the Patent Laws
To Purify Hard Water for Steam Boilers
Freaks of Lightning
Recent Foreign Inventions
American Linen Factory
A Great Bridge
Melting Point and Transformation of Sulphur
Flying
[For the Scientific American.]
Dammara Varnish
Mechanics
Manufacturers and Inventors
A new volume of the Scientific American