A constant-feed direct-current arc / by C.S. Annell and A.W. Helz.
- Physical Description: 1 online resource (iv, 231-251 pages) : charts, photographs.
- Publisher: Washington, D.C. : United States Department of the Interior, Geological Survey, 1961.
- Distributor: Washington, D.C. : Government Printing Office
|General Note:|| Additional title page description: "A study of methods for introducing samples into a d-c arc, accompanied by low fractional distillation."
Title from title screen (viewed July 23, 2014).
|Bibliography, etc. Note:|| Includes bibliographical references (pages 250-251).
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