Features
Encke's Comet
To Make Good Indian Bread
Sulphur Springs near Norfolk
Railroads in California
New Telegraph
Frazier's Excavator
Blue Ridge Mountain
For Varnishing Leather
Dodge's Night Signals for Ships
To Prepare a Varnish for the Scales of Thermometers
Arkansas—Internal Improvements
Sleeping Fever
Cold Weather
Circular Saws
Steam Carriages for Plank Roads
Hydrogen Gas
Cure for Deafness
Star Fish
Great Improvements in Photography
The Air Rendered Visible
Geology
Intervention—Science
Leap Year
Improvement in Cotton Felting
Improved Screw Wrench
Improved Paddle-Wheel for Steamboats
Quartz Crushing Machinery
Improved Cast-Iron Car Wheel
Patent Geometric Transfer
At What Price Gas may be Produced
Increase of Inventions—Patent Agents
Collins Line of Steamers
Paraguay
Lead Poisoning
Russian Sheet Iron
Isthmus of Panama
Steam Engines
Virginia Fanning
Steam Boiler Explosions
List of Patent Claims
India Rubber Over-Shoes
Ferry Steamboats and Ice
Explosion of a Drum
End of a Nobleman whose Progenitor Insulted Franklin
Stearine
Dip of the Magnetic Needle
The Arabia Steamship
Consumption of Smoke
An Interesting International Patent Case
How to Cook Cabbage
New Edition of the Patent Laws
Back Numbers and Volumes
Patent Claims
An Important Paragraph
A Farm Cottage
On Boilers--No. 9
Inventors
The Kettle Hat Yet
Departments
- From the Editor
To Correspondents