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Leon's Kimasthene

The Schultz White Gunpowder

Beet Root Sugar

Statistics of the Production of Iron

By Peter Tunner

Formation and Phenomena of Clouds

By J. Tyndall

Harris' Improved Patent Shutter and Blind Opener and Fastener

Rowe's Mode of Fastening Cards to Cylinders

The Preparation of Cotton Ware for Dyeing and Printing

By M. Reimann

Important Decision About Designs

Views on the Central Pacific Railroad

Completion of the Pacific Railway

Affairs at the Patent Office

Explosive Compounds

Discussion of Purely Speculative Topics—To Correspondents


Editorial Summary

The Velocipede in Europe

Manufacturing, Mining, and Railroad Items

Decision of the Commissioner of Patents on Design Applications

New Publications

Answers to Correspondents

Official List of Patents

Issued by the United States Patent Office

Applications for the Extension of Patents

Recent American and Foreign Patents


  • Departments


  • Business and Personal

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