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Features

Improvement in Apparatus for Tanning Leather, Surmounting Inclines

The Latest Achievements of Engineering Science

Operations in Cumberland Coal—To the Public Press

Jackson's Patent Oscillating Wagon

Prevention of Colliery Explosions

The Manufacture of Plate Glass in England and the United States

By Thos Lockwoode

The Soil, the Plant, and the Animal

Goddard's Detachable Calks for Horseshoes

The Adjustment of Hot-Air Furnaces

The Avondale Colliery Disaster

Aero-Steam Engines

The Exhibition of the American Institute

Ammonia and Its Uses in the Arts

The Humboldt Centennial Celebration

An Example for Young Men

Rainless Districts—Freaks of the Weather

Manufacturing, Mining, and Railroad Items

Editorial Summary

Answers to Correspondents

Recent American and Foreign Patents

Official List of Patents

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