Volume 6, Issue 52
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Features
The First Inventor of Steamboats
Patent Soap
A Geological Curiosity
List of Patent Claims
Issued from the United states Patent Office
Improvement in the Safety Lamp
Some Poisons and their Antidotes
Paines Atmosphheric Light Patent
Substitute for Hops in Making Beer
To Our Subscribers—End of Volume Six
Short Conversations on Mechanics—No. 6
Concluded
Inverted Locomotion
Ozone
Subscribers and Regularity of Mails
Patent Claims
Back Numbers and Volumes
To Remove Stains from Mourning Dresses
Behold They Come
New Edition of the Patent Laws
Scientific American for Binding
Fire Annihilator
New Prospectus
Inventors and Manufacturers