Features
New Method of Ventilating Tunnels
The Power of Water, or Hydraulics Simplified
Lieut. Fiske's Position Finder
Machine for Manufacturing Paper Bags
A New Modification of the Open Hearth Steel Process
Howitzer Experiments
The Electromagnet
An Electric Snow Sweeper
Astronomical Probabilities for the Coming Decade
Roman Remains Unearthed at Silchester
Summary of Meteorological Observations at New York City during the Year 1890
Coral Growths on Submarine Cables
The Foussa, a Strange Animal
The Phylloxera and American Resistant Stocks
The Age of Trees for Transplanting
How the Pathogenic Bacteria do their Harm
Remarkable Case of Skin Grafting
Building Plans and Specifications
The American Chemical Society
Useful Engineering Books
Obtaining Oxygen from the Air
Uses of Selenium
Departments
- Departments
Patents- February 7, 1891
