Features
Exhibition of Grain Dryers and Separators--To Merchants
The Bessemer Process in America
Miscellaneous Summary
Peat as Fuel
How English Locomotives are Made
The Hoosac Tunnel
Recent American Patents
Non-Explosive Gunpowder
Shaw & Justice's Low-Water Signal
Goddard's Pump Rod
Boswell's Improved Paper Tin
Experiments with Cast-Iron Rifled Guns
Utilizing Steam in Evaporating
A Curious Slotting Machine
The Cattle Plague
The Coasting Trade Being Done by Steamers
Patent Claims
Issued from the United States Patent-Office
The Fair of the American Institute
Patent Agency Office
Raumeister's Water Heater
Departments
- Departments
Correspondence
Notes and Queries
