Features
Improved Gold Separator
Applications for the Extension of Patents
Polytechnic Association of the American Institute
Our Special Correspondence - February 18, 1860
An Improved Weighing Scale Wanted
Meteorology in the Cellar
Radiation and Absorption of Heat by the Earth
Wax--Its uses and Colors
The Plan of a Country House
Extensive Experiments to Test the Strength of Iron and Steel
Testing of Wrought Iron Girders
The Banks of the United States
Railroad Items
Agricultural Lectures at New Haven
Magnetized Wheels of Locomotives--A Timely Hint to Inventors
Wells' Annual of Scientific Discovery for 1830
A Column of Varieties
Coal Tar Again
Linen and Flax
Coal Tar for Fruit Trees
Contraction of Steel in Hardening
Elastic Hose for Steam
Douglas's Steam Trap
Glass Steam Engine
New Machine for Making Packing Boxes
Strength of Wrought Iron Beams
Burnings--Fire-Escapes
Ignorance of Steam--Its Dangers and Safety
Ericsson's Air Engine
Ex-Commissioner Bishop
The Steamer Adriatic
Weekly Summary of Inventions- February 18, 1860
Carpet Loom Extension Case--Important Decision
Foreign News and Markets- February 18, 1860
New York Markets- February 18, 1860
Patent Claims- February 18, 1860
Self-Closing Inkstand
Phelps' Envelope-Opener
The Power of Water - February 18, 1860
Zoological and Botanical Garden- February 18, 1860
Departments
- Departments
Notes and Queries- February 18, 1860
