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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
