Features
Transmitting Rotary Motion at Angles from the Plane of Rotation
On Ice, Water, Vapor, and Air
A SERIES OF RECENT JUVENILE LECTURES, BY PROFESSOR TYNDALL, LL.D. F.R.S., AT THE ROYAL INSTITUTION, LONDON.
Abridgement of the Annual Report of the Commissioner of Patents for the Year 1871
Ice Boating on the Hudson
How General Business is Influenced by Patents
How Shall I Introduce My Invention?
Facts and Figures--Importance of the Latter to Substantiate the Former
The Heating of Buildings by Steam
The Solar Eclipse, December, 1871
How to Build an Ice Boat
Russian International Exhibition
Scientific and Practical Information - February 3, 1872
Will You Favor Us?
Recent American and Foreign Patents
Departments
- From the Editor
Answers to Correspondents - February 3, 1872
- Letters
Correspondence - February 3, 1872
- Recommended
New Books and Publications - February 3, 1872
- Departments
Notes and Queries - February 3, 1872
Business and Personal - February 3, 1872
Index of Inventions - February 3, 1872
