Zinc Smelting in the Electric Furnace
Commercial Superiority of the Electric Process Over the Older Methods
Volume 77, Issue 1987supp
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Features
The Rise of Temperature Associated with the Melting of Icebergs, International Conference on the Meter, and more
Progress in Boiler, Tank and Plate Shops
New Methods Introduced and Special Equipment Used in Well Organized Shops to Increase Output
Oil Fuel in Marine Boilers
Illumination from Large Area Light Sources—I
Some Experiments Carried Out With Actual Home Conditions
How Automobile Materials are Tested
The Laboratory Equipment of Great Factories
Right and Left Hand Engines
The Great Variety of Engines Now in Use Create Unexpected Complications
Stereoscopic Effects in Photography
A Scythian Chief's Tomb Unearthed
Intact After Two Thousand Years
Rotating Airship Shed
Safeguarding the Dirigible Against Damage in Landing and Re-entering
Lead Poisoning in American Industrial Life
The Danger and Its Prevention