Features
A Conservative
Stone Cutting Machine in a Railroad Tunnel
Steam Carriage for Plank Roads
Rutland and Burlington Railroad
Redick's Corn Planter
Improvements in Running Belting
Fire at the Capitol
Circular Saws
An Ancient Sword
The Patent Office
Stone Ware
Nickel
Rapidity of Thought in Dreaming
Mandrakes
Pneumatics
A Small Great Spy Glass
Remarks on Leather, Tanning, &c
Recent Foreign Inventions
Improved Horse Rake
Adhesion on Rails
Measures for California
Improved Excavator
Patent Heat Distributor and Ventilator
Olds' Revolving Coat Holder
Machinery for Making Hay and other Agricultural Forks
Machine for Measuring and Cutting Iron
Improved Hold-back for Sleds
End of the Annihilator
A World's Fair and Crystal Palace at New York
Synthetic Chemistry—Ultramarine
Patents, Inventions, &c
Progress of Discovery during 1851
Petition for Extension of Patent
Oxalic Acid
List of Patent Claims
Boiler Tubes
Municipal Electric Telegraph
An Important Paragraph
Back Numbers and Volumes
Sending Receipts—Postage on Books
India Rubber
On Boilers.--No.6
The Safe of William Penn
The Effect of the Rotation of the Earth upon the Flight of a Projectile
To Be Invented
Death of the Water Cure Founder
Cold Weather
Departments
- From the Editor
To Correspondents
