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Improved Carriage Top, Petroleum as Fuel, and More

On the Revivification of Animal Charcoal

By Henry Medlock

Safety Lamps

The Fair of the American Institute

Farmers' Club

Fissures in Sand Rock the Reservoirs of Petroleum

By R. P. Stevens

Substitutes for Alcohol and Methylene, as Solvents for Aniline Dyes

By M. Gaultier de Claubry

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


  • Departments


  • Notes and Queries

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