American Industries.--No. 47
The Manufacture of Dynamo-Electric Machines and Electric Lamps
Features
The Proportion of Patents to Population
Cyprien M. Tessie Du Motay
A New Plan for Small Remittances
The American Society of Civil Engineers
The Army Worm
Mechanical Inventions
Hydraulic Elevator for Canal Boats
Improved Stylographic Pen
Price Indicator for Gas Meters
Ventilation of Boots and Shoes
Improved Steam Boiler
Engineering Inventions
Miscellaneous Inventions
Improved Brick Machine
New Thermo-Electric Battery
The Carp and its Culture
Recent Decisions Relating to Patents
U. S. Circuit Court--Southern District of New York
Departments
- Departments
Correspondence
Business and Personal
Notes and Queries
New Books and Publications
Index of Inventions
