Features
Original Work in America
Progress of Steam Engineering
An Improved Freight Car Coupler
A Drill to Facilitate Blasting
An Improved Gate Valve
A Locomotive Spark Arrester
Breast Wheel for Lifting Water into the Morris Canal
An Improved Ore Washer
Some Apparatus used by the Vienna Fire Department
The Type-Writer a French Invention
Iridescent Glass
To Inventors- May 23, 1891
Departments
- Letters
Correspondence- May 23, 1891
- Recommended
New Books and Publications- May 23, 1891
- Departments
Notes and Queries- May 23, 1891
Recently Patented Inventions- May 23, 1891
Business and Personal- May 23, 1891
Index of Inventions- May 23, 1891
