Features
The Everglades
Anderson's Revolving Steam Boiler
Hoosic Mountain Tunnel
James Watt
The Philadelphia Navy-Yard
Steam Pleasure Yacht
Singular and Startling Phenomenon
Force of Waves
Rivers of Alabama
Foreign Correspondence
New Machine Shop at the Brooklyn Navy Yard
Astronomical Science
Manufacture of Precious Gems
The Earth's Motion Made Visible
Cholera in Animals
New Steamship Humboldt
Improvement for Arming Steamships
Discovery of Marl
Another Trial of Prof. Page's Electric Locomotive
Improved Revolver
Gas Light on Minot's Ledge
Extracting Silver from Argentiferous Minerals
The Atmospheric Lamp!—Another New Light from Paine's Laboratory
Railings for Trap Doors
Improvements in Knitting Machines
Paving Streets by Torch Light
Anhydrous Steam—Stame
Light Locomotives
Cannel Coal of Virginia
Banvard, the American Artist
Electrotyping—Our New Heading
Thayer's Bridge
List of Patent Claims
Rapidity of the Nervous Current
Mexican Cave
Practical Remarks on Illuminating Gas
Patent Claims
New Edition of the Patent Laws
Geological Explorations in North Carolina
Cultivation of Cinnamon
Hydraulics
Mechanics
Adulterations in Food
Departments
- From the Editor
To Correspondents
