Features
Wooden Car Springs
Field's Traveling Bridge
Tailed Men
A New Method of Extracting Bullets
The Art of Dyeing--No. 9
Felting Hats
Plow Standards
Anthracite Coal or Steamships
New Life Boat
Ballanced Steam Valve
Power of Locomotives in Overcoming Steep Grades
Notice to Engineers and Pilots
Painting and Varnishing Carriages
Prof. Agassiz on the Smithsonian Institute
Wind Mills
A New Potato
Pennsylvania Commissioners to the Paris Fair
The Earthquake at St. Johns
Muntz Metal for Bolts
Soup as Food, and How to Make It
The Steam Fire Engine
Grafted Chestnut Trees
Importing Turnips
Manufacture of Alcohol From Asphodel Root
Hickory Nut Oil
Invincible Horse Bit
Supporting Articles of Dress
Improvement in Hand Trucks
Electro-Plating Applied to Cutlery
Improvements in Steam Navigation
Muntz Metal Tubes in Boilers
A Scientific Error Corrected
The Polytechnic Journal Gone
Stereoscopic Medallion
Combustion and Fires
Manufacture of Stone
How the World Was Made
List of Patent Claims
New Petrified Bodies
The Way to Build Up a State
Prizes for Astronomical Discoveries
Important Items
Copper Smelting in Tennessee
History of Reaping Machines--No. 20
Improvements in Molding
Mechanics
Inventors, and Manufacturers
Important Discovery
Polishing Slate
Departments
- Letters
To Correspondents