Features
Suction
Rusting of Railway Rails
Operations of the Patent Office
What is Steel!
Characteristics of a Business King
The Mechanic of the Future
The Docks at Portsmouth, England
Peat Fuel
Astronomical Notes - December 5, 1874
A Bridle and a Blinder for Unruly Horses
The New French Army Gun
Smith's Improved Rein Holder
The Indoor Garden and the Shrubbery
Patent Office Yearly Report - 1874
Scientific and Practical Information - December 5, 1874
Recent American and Foreign Patents - December 5, 1874
Answers to Correspondents
Communications Received - December 5, 1874
Canadian Patents - December 5, 1874
Departments
- Letters
Correspondence - December 5, 1874
- Recommended
New Books and Publications - December 5, 1874
- Departments
Business and Personal - December 5, 1874
Index of Inventions - December 5, 1874
