Features
Mr. Riddle and Carpets
Improvement in Railroad Chairs
The Largest Pile of Specie in the World
The Cause of the Potato Disease
Rails
A New Feat--Walking on an Inverted Plane
To Mariners on the Pacific Coast
Cheap Gas in London
Sacred Geography
Cold Water and Burns
Petition for Extension of a Patent
Scientific Memoranda
Barnum's Equipage
Improved Method of Softening Horn in Comb Manufacture
Improvement in the Drawing Parts of Carriages, &C
Ship Propeller Invention
Improvement in Machinery for Sawing Timber
Improvement in Horse Powers
Improvement in Bedsteads
Excitement about Mending the Patent Laws
Cheap Postage
The Patent Office in Danger
Patent Office Report for 1850--No. 6
London Great Exhibition--First Prizes--Meat Biscuit
The Fire Annihilators Annihilated
Large Sales of a Large Work
Woodworth's Patent Planing Machines
List of Patent Claims
New York Times and the Patent Laws
Patent Claims
New Edition of the Patent Laws
Postage on Books
On Sending Receipts
Back Numbers and Volumes
Tea on the Himalays
Iowa Coal Field
New Prospectus to Mechanics
Medical Properties of the Skull-Cap
On Interfering Horse-Shoes and the Remedy
Treatment of Rheumatism by Lemon Juice
Rheumatic Fever Treated with Acetate of Potash
Oil Varnishes
Tobacco for Wounds
Departments
- From the Editor
To Correspondents
