Features
An Electric Insulator for Boilers and Condensers
An Hydraulic Air Compressor
An Improved Shingling Gauge
A Sacramental Altar for Home Use
Siphon for Domestic Uses
An Improved Pipe Wrench
Lighthouse Illumination
The New Boats of the Hoboken Ferry Company, New York
Mantidae
Departments
- Recommended
New Books and Publications- June 11, 1892
- Departments
Notes and Queries- June 11, 1892
Business and Personal- June 11, 1892
Recently Patented Inventions- June 11, 1892
Index of Inventions- June 11, 1892
To Inventors- June 11, 1892
