Flotation for the Practical Mill Man
A Description of Several Important Factors in Concentration by Flotation
Volume 88, Issue 2272supp
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Features
“Cupping” vs. “Boxing”
Advances in the Turpentine Industry in the Southern States
Acquired Radioactivity
Recent Developments in Marine Lighting—III
Methods of Sound Signalling
The Strongest and Most Durable Fiber
The Cultivation, Preparation, Spinning, Weaving and History of Flax
New Method in Photogrammetry
An Accurate and Convenient Method for Photographic Surveying with any Camera