Volume 6, Issue 51
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Features
Broad Gauge on the Far West Railroad
Steam Plow
Our Illustrations
Hudson River Railroad
Pittsburg and Erie Railroad
Route to New England
Stop Five Minutes
Daguerreotype Pictures
Life Boats
Fairs and Mechanical Exhibitions
Fossils from the Yellow Stone River
Paddle-Wheels and Propellers
The Universal Stair Builder
American Association for the Advancement of Science
To Prevent Horses Being Teased by Flies
Improvement in Ventilating Cars
Substitute for Shoe Leather
Improvement in Bee Hives
Improvement in Machinery for Making Pails, &c
Reaping by Machinery in England
Steam Railroad Turn Table
Improvement in Saw Mills
Patent Revolving Sail-Ship
New Lubricator
Prudential Policy
Woodworth Planing Machine Extension
Short Conversations on Mechanics—No. 5
List of Patent Claims
Patent Cases—Cultivators
Salivary Calculus, or Tartar of the Teeth
Postage on Books
New Edition of the Patent Laws
Back Numbers and Volumes
Electro-Magnetic Clocks
Moss
New Prospectus to Mechanics
Inventors, and Manufactures