Volume 7, Issue 3
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Features
Hempfield Railroad
Metallic Paint
Terrible Explosion
Water Sprinkler for Streets
Railroads of Massachusetts
The Great Drouth
The Patent Office—Its Architect
Curious effects of Metallic Vibrations
Foreign Correspondence
Improvement in Securing Anvils and Other like Tools to Benches
New Window Sash Fastener
Passages of the Atlantic Mail Steamers--Quarter from July 2 to Sept 28, 1851
Improvement in Picking and Furrowing Mill Stones
Post-Office Stamps—Unfair Dealing
Cure for Hydrophobia
Expose of Paine's Light
Washington Monument
Improvement in Attaching Auger Handles
Improvement in Annealing Wire
Gwynne's Centrifugal Pump
Our New Type
Webster's Unabridged Quarto Dictionary
Inventions
Patent Office Report for 1850—No. 3
Phillips' Fire Annihilator
A New Science
Steamboat Question—Pacific and Atlantic Tides
List of Patent Claims
Milton's Daughters
Postage on Books
Binding Volume 6
On Sending Receipts
Back Numbers and Volumes
New Edition of the Patent Laws
Patent Claims
Yacht Racing in America and Europe
Sails of the Yacht America
Antidote for Arsenic
New Prospectus to Mechanics
Inventors and Manufacturers