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Improved Cannon

A Trip from London to Amsterdam

The Great Exposition Complete

Leavitt's Fruit Dryer

Lowe's Spiral Spring Packing

The Accelerating Gun

Smith's Improved Extension Ladder

Editorial Summary

Recent American and Foreign Patents

Manufacturing, Mining, and Railroad Items

Answers to Correspondents

Misapplication of Terms--A So-Called Explosion

France as a Power

The Union Pacific Railroad

The Tomato

The Patent Office Delays

The Linen Manufacture

Protection for Passenger Car Platforms

Notice to Subscribers

Official Report of Patents and Claims


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August 03, 1867

20% Sitewide for President's Day