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Features

Editorial Correspondence

The Centrifugal Gun

Improved Portable Photographic Apparatus

Trade Marks--The Letter G

Scofield's Wagon Brake

Trial of Agricultural Machinery--Success of American Inventions

Editorial Summary

Gibson's Improved Bench Vise

Hersee's Improved Thill Glip for Vehicles

Machinery for Cutting Stone and Tunneling

Richardson's Patent Latch Fastener

Science familiarly Illustrated

Current Recipes

Recent American and Foreign Patents

Answers to Correspondents

The Steamer Bristol

Electrical Anti-Incrustators

Machinery in Theatrical Representations

Notice to Subscribers

The Albany Railroad Bridge

How the Pacific Railway is Built

A Philadelphia Newspaper Establishment

French Ocean Steamers

Obituary

Patents and Claims

Departments

  • Index

  • Correspondence

  • Business and Personal

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July 06, 1867

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