Volume 7, Issue 7
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Features
Things to be Invented
Railroads in Europe
Locomotive Prizes
The Fair of the American Institute
Quince and Apple Preserve
Dr. Jackson's Address before the American Institute
A Monster Tunnel
Immense Railroad Depot
Improvement in the Construction of Sewers
Copyright Case
Improved Railroad Cast-Iron Wheel
Improved Shingle Machine
Engine Shafting
Improvement in Horse Collars
Stave Dressing Machine
Garments without Seams
Improvement in Scissors and Shears
The Carbonic Gas Engine
Improvement in Turning Lathes
The Fire Annihilator an Old Invention
Varieties in Science
Great India Rubber Case in Boston
American Progress
Return of Greenough the Sculptor
The Late Machinist of the Patent Office
Carbonic Acid Gas and Steam to Extinguish Fires
Petition for Extension of Patents
List of Patent Claims
Patent Claims
Back Numbers and Volumes
Postage on Books
Poisonings
New Prospectus to Mechanics
Inventors, and Manufacturers