Features
Great Western Railroad of Canada
Submarine Explorer
Ohio and Pennsylvania Railroad
Great Railroad Engineering
Pittsburg and her Railroads
Demonism on Railroads
Boats on the Erie Canal
New Comet
Decision under the Patent Laws
Steamboats on the Pacific
Recent Foreign Inventions
Prizes Awarded
Coal for Locomotive Engines
Shingle Machine
Suspension Bridge in New Brunswick
Petition for Extension of Patent
New York Exhibition
Discovery of Coal in Oregon
Screw vs. Paddle
Paris Artesian Well
Colt's Revolver Claimed to be an English Invention
Manufacture of Fire-Arms—Springfield Birmingham
New Electro-Magnetic Engine
Improved Railroad Truck
Kossuth
Improved Machine for Cutting Sash and Mouldings
Ontario and Huron Railroad
Improvement in the treatment of Calf Skins during the Process of Tanning
White's Improved Lathe
Improvement in Horse Powers
Transfusing of Blood
The America
Improvement in Burglars Alarm
Borax
To Inventors
Mournful Accident
The Hillotype
Chemistry
Improvement in
List of Patent Claims
Funnels of Steamships Affecting Compasses
Back Numbers and Volumes
An Important Paragraph
Sending Receipts—Postage on Books
To Mechanics
Scientific Memoranda
On Boilers--No.2
Volcanic Eruption in the Sandwich Islands
Departments
- From the Editor
To Correspondents