Volume 6, Issue 12
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Features
Spoke Tennoning Machine
Irish Riots
Wheeling Railroad Subscription
Anthracite Coal Trade
To Prepare Window Shades for Painting
Canada and Maine Railroad and a New Steamship Line
Kerosene Gas—Nova Scotia Going-a-Head of Old Mother
Ingenious Piece of Workmanship
The Boiler Explosion
To Connecticut Mechanics
Some Phenomena of Defective Vision
The Charleston Fair
Water Gas Company
Letter from Mr. Paine
Patent Case. Casting Chilled Rollers
The First Steamboat
Stone Ware in Texas
A Curiosity
New Route Discovered in Nicaragua
President's Message
Ship Building in Oregon
A Suggestion to Builders
Protection from Pedlars
Survey of the Mississippi
The Scotch and American Yankees
Bridge Over the Ohio
World's Fair on Governor's Island
Spring Power to Propel Vessels
Functions of the Nervous System and Brain Scientifically Considered
Bridge from France to England
World's Great Convention of Doctors
The Voltaic Battery—Electrotype
Number VII
Self-Acting Parallel Gate
Machinery for Turning Irregular Forms
Coal Breaking Machinery
Water Pressure Engine
Match-Making Machine
Commissioner of Patents' Report. Concluding Remarks
Our Manufactures
Paisley Shawls and British Taxation
New Fabric
Solders and Soldering
List of Patent Claims
Question about Patent Property
Gravitation—What it Is
Patent Claims
An Important Paragraph
Improvements in Tanning Leather
Mechanics
Inventors and Manufactures