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Editorial Correspondence

Trade Marks--The Letter G

The Centrifugal Gun

Scofield's Wagon Brake

Improved Portable Photographic Apparatus

Trial of Agricultural Machinery--Success of American Inventions

Editorial Summary

Gibson's Improved Bench Vise

Hersee's Improved Thill Glip for Vehicles

Current Recipes

Science familiarly Illustrated

Richardson's Patent Latch Fastener

Machinery for Cutting Stone and Tunneling

Answers to Correspondents

Recent American and Foreign Patents

Electrical Anti-Incrustators

The Steamer Bristol

The Albany Railroad Bridge

Notice to Subscribers

Machinery in Theatrical Representations

A Philadelphia Newspaper Establishment

French Ocean Steamers

How the Pacific Railway is Built


Patents and Claims


  • Index

  • Correspondence

  • Business and Personal

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July 06, 1867