Features
A Novel Experiment with Criminals
An Electrical Course at Columbia
Dangerous Flat Houses
The Use of Radiated Heat
Position of the Planets in February 1889
The Recent Tornado in New York
Revolving Hercules Crane
An Improved Vehicle Spring
An Improved Gas Manufacturing Apparatus
Improved Wear Iron for Vehicles
An Improved Safety Caster
Mlle. Schultze, Doctor of Medicine of the Faculty of Paris
Simple Experiments in Physics
The Leander McCormick Observatory of the University of Virginia
Trial Trip of the Vesuvius
To Inventors- January 26, 1889
Departments
- Letters
Correspondence- January 26, 1889
- Departments
Business and Personal- January 26, 1889
Notes and Queries- January 26, 1889
Recently Patented Inventions- January 26, 1889
Index of Inventions- January 26, 1889
