American Industries.--No. 47
The Manufacture of Dynamo-Electric Machines and Electric Lamps
Volume 42, Issue 26
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Features
The Proportion of Patents to Population
The American Society of Civil Engineers
Cyprien M. Tessie Du Motay
A New Plan for Small Remittances
The Army Worm
Hydraulic Elevator for Canal Boats
Mechanical Inventions
Ventilation of Boots and Shoes
Improved Stylographic Pen
Price Indicator for Gas Meters
Improved Steam Boiler
Engineering Inventions
Miscellaneous Inventions
Improved Brick Machine
The Carp and its Culture
New Thermo-Electric Battery
Recent Decisions Relating to Patents
U. S. Circuit Court--Southern District of New York