Features
Recent Lymph Tests and Examinations for Tubercular Disease in Cattle
An Improved Ice Plow
An Improved Rotary Engine
An Improved Dump Cart
Mr. Tesla's Experiments on Alternating Currents of Great Frequency
An Improved Water Register
An Improved Fence Machine
An Improved Furnace
The Western Union Central Telegraph Office and Plant in New York City
An Experiment in Acoustics
Distinguished Electricians
The Dedication Ceremonies
An Improved Carpenter's Square
Departments
- From the Editor
To Inventors- March 26, 1892
- Recommended
New Books and Publications- March 26, 1892
- Departments
Business and Personal- March 26, 1892
Notes and Queries- March 26, 1892
Recently Patented Inventions- March 26, 1892
Index of Inventions- March 26, 1892
