Features
Improved Stave-Jointer
Important Hints on Ventilation
Mineral Products of Western Pennsylvania
New Ideas on Air Navigation
High Railroad Speeds
Our Precious Metals
The Great Meteor of 1807
The Southern Lights
New Iron Furnace
The Density and Temperature of Steam
Is the Manufacture of Oil From Coal Profitable?
Improved Bit Stock
Improved Ceiling Plates for Vaults
Notes on Foreign Inventions
Burning Oils
A Column of Facts in Relation to Meteors
Action of Heat-Diffusers
Puddled Steel
Ferrum or True Iron
Improvements in Tanning Wanted
Improved Machine for Picking Millstones
Completion of Our First Volume
Almanacs
Death of Washington Irving
Technology and the Beautiful
Death of Professor Turner
Science and Art
Weekly Summary of Inventions
Foreign Summary--News and Markets
Patent Claims
Combined Punch and Pinchers
Colville's Improved Method of Adjusting Circular Saws
Stempel's Trace Trimmer
Departments
- Departments
Notes and Queries
