Features
A New Map of the Planet Mars
Moses S. Beach
Electric Boats and Carriages at the Columbian Exposition
A New and Useful Telephone
Adjustable Embroidery Frame and Table
An Improved Hydraulic Press
A New Mill for Pulverizing
Launch of the Columbia
Ethylene
Fire Department "Cut-Loose"
On the Rim and in the Depths of the Grand Canyon
Departments
- Letters
Correspondence- August 6, 1892
- Recommended
New Books and Publications- August 6, 1892
- Departments
Business and Personal- August 6, 1892
Notes & Queries- August 6, 1892
Recently Patented Intentions- August 6, 1892
To Inventors- August 6, 1892
Index of Inventions- August 6, 1892