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Space & Physics
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American and English Locks
Walking on the Track
New Salt Mine in Ireland
Gold Washer and Magnetic Separator
The New Crystal Palace in England
For Farmers--Proceedings of the Royal Agricultural Society of England
The Flax Culture
A New Source for the Supply of Cotton
French Cure for Hydrophobia
Prevention of Explosions in Steam Boilers
Recent Foreign Inventions
Extraordinary Discovery--Perpetual Light
Trout in Lake Erie
Parker's Water Wheel
Development of Insect Life
An Improvement in Attaching Hubs to Axles
Improved Truck for Cars
Improved Knives for Cutting Hay
Leavitt's Improved Portable Mill
Wigs and Toupees Made by Machinery
Jacquard Cutting Machine
State Fairs for 1852
New Paddle Wheel
Ingham's Horizontal Water-Wheel
To Reach Ships in Distress
Improvement in Gas Burners
Experiments with Centrifugal Pumps
American Literature Abroad
A Few Words to our Readers
Be Careful of Turpentine
American Association for the Advancement of Science
List of Patent Claims
Patent Laws, and Guide to Inventors
Back Numbers and Volumes
Prizes! Prizes!! Read! Read! Read!
Printing in Gold
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