Features
On the Revivification of Animal Charcoal
Safety Lamps
The Fair of the American Institute
Farmers' Club
Fissures in Sand Rock the Reservoirs of Petroleum
Substitutes for Alcohol and Methylene, as Solvents for Aniline Dyes
Foreign Summary
Recent American Patents
Market for the Month
Barnes's Cravat Holder
Boilers of the Iron-Clads
Pure Alcohol for Brandy Peaches
The Flow of Solids Under Pressure
Our Roll of Honor
Sales of Patents
Patent Claims
Issued From the United States Patent-Office
Putnam's Beefsteak Breaker
Patent Agency Office
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Correspondence
Notes and Queries