Features
A New Application of Tube Hydrometers
The Institution of Civil Engineers
Remarkable Structures of the Ancient Americans
The Agricultural Department at Washington
Transmission of Motion
A Lecture Delivered by Coleman Sellers, at the Stevens Institute of Technology, Hoboken, N. J., February 19th, 1872
Absurd Cosmical Theories
Fire
Hay and Straw Stacking Apparatus
Sewing Machine Treadle and Casters
Oxyhydric Illumination
The Horse Disease
Remarkable Stupidity
The Nose Straightener
The Vienna Exposition
Progress of American Iron Industry
Our Concrete Docks
The Growth or Evolution of Structure in Seedlings
Air Gas Light in England
Patent Decision
Professor James Hadley
Answers to Correspondents
Scientific and Practical Information
Communications Received
Recent American and Foreign Patents
Value of Patents, and How to Obtain Them
Practical Hints to Inventors
Patent Cold Rolled Shafting
Departments
- Departments
Correspondence
Notes and Queries
Business and Personal
New Books and Publications
Index of Inventions