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New methods in the metallurgical treatment of copper ores

โœ Scribed by N.S. Keith


Publisher
Elsevier Science
Year
1905
Tongue
English
Weight
515 KB
Volume
160
Category
Article
ISSN
0016-0032

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lbnes Produced by Intermittent Radiation. 389 Newton's Rings.--Sohncke and Wangerin have repeated and extended their observations upon Newton's rings, with results which confirm their early views with regard to the slight eccentricity of the rings. If the microscope is so placed as to give the sharp