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Space & Physics
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Open-Hearth Steel Melting Furnaces
Interest in Colonial Matters
Art Canons—Historic and Prehistoric
By Thomas Wilson
Keyseaters at the Glasgow Exhibition
A Few Common Boiler Troubles
By R. A. Douglass
Patent Cylinders for Single-Acting Ram Pumps
Coal in the Arctic Regions
Recent Studies of Old Italian Volcanoes
Prof. Adams' Lectures on the Lunar Theory
By P. H. Cowell
Effect of Iron Sulphate on Vegetation
The Largest Known Dinosaur
Automobiling in the West
By Charles B. Shanks
New Type of River Gunboat
Charcoal Production and Recovery of By-Products in Germany
Is Alcohol a Food, a Poison, or Both?
By John Madden
Domestic Purification of Potable Water
The Reversal of the Photographic Image by Continued Action of Light
The “Ark” Lamp
Contemporary Electrical Science
Trade Suggestions from United States Consuls
Mining on the Klondike
Trade Notes and Receipts
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