Features
More Sorgho Sugar
Witting's Improved Cotton Press
Artesian Wells in California
The Deepest Well in The World
Drawing Cotton, Etc.
Improved Ironing Table
Nitrogen—Its Utility
Patent Rights and the Lobby at Washington
Daniel's Improved Water Wheel
Improved Elastic Railroads
Improvements in Fire-Arms
The American Patent System
Salt for Plum Trees
Forty-three Millions
Paine's Wonderful New Discovery
Lap-Welded Iron Tubes
The “Leviathan” Afloat
Abstract of the New Patent Bill
Heich's Egg-Beater
Mechanics
Improved Coin Balance
Special Legislation on Patents
Science in Sport
Artificial White Light
Departments
- Letters
Correspondents - February 27, 1858
