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Features

Opening of the Paris Exposition

A Tour of the Exposition

Portable Pneumatic Tools

By Ewart C. Amos

Steam Engines of 3,000 Horse Power

Electro-Culture

Selected Formulæ

Trade Notes and Receipts

Trade Suggestions from United States Consuls

Concentrated Perfumes

Pneumatic Malting

Lignite

The Splügen Tunnel

Liquid Hydrogen

The Cochot Motor-Vehicles

The Relations between Electricity and Engineering

The Automatic Optician

Maccaroni Manufacture in Italy

The means of Defense of Animals

Patents!

Departments

  • Departments

    The Shrinkage of Lake Nicaragua

  • New Books, Etc.

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