Features
Steam for Heating Greenhouses
A Telephonic Hoax
Pliocene Man in Nevada
The American Institute Fair
Postage Stamp Frauds
The Egyptian Campaign Ended
The British Association
Improved Washing Machine
Improved Corn Crusher
Bloomsdale Seed Farm
Improvement in Steam Boilers
Improved Spinning Frame
The Natural Reddening of Water
Electrical Invention
Textile Inventions
Engineering Inventions
Mechanical Inventions
Agricultural Inventions
Metallurgical Invention
Miscellaneous Inventions
Departments
- Departments
Correspondence
Recent Inventions
Business and Personal
New Books and Publications
Notes and Queries
Index of Inventions
Patents
