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Features

A Unique Departure in Engineering Education

By Edward Orton

Causes for the adoption of Water-Tube Boilers in the United States Navy

By George W. Melville

The World's Largest Blast Furnace Companies

The Modern Armor-Clad

Designs for the “Denver” Class, Sheathed Protected Cruisers

By Philip Hichborn

Magneto-Optic Rotation and its Explanation by a Gyrostatic System

The New Bridge at Rouen

Krupp Armor-Plate Tests

Textile Designs by Photography

Trade Suggestions from United States Consuls

Selected Formulæ

Trade Notes and Receipts

Miscellaneous Notes

The Effect of Hydrocyanic Acid Gas upon the Germination of Seeds

Cockroaches

Canada as an Exporter

A Problem in American Anthropology

The Explosive Side of Acetylene

By Frederick H. McGahie

Patents!

Manufacture of Boracic Acid and Ammonia by Treating Borates with Ammonium Salts, and of Borax and Ammonium Nitrate by Treating Ammonium Borate with Sodium Nitrate

By Bigot

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    December 02, 1899

    Confronting Common Wisdom