RI 2452 Jet

The National Institute for Occupational Safety and Health (NIOSH)

W. M. Myers

Organization:: The National Institute for Occupational Safety and Health (NIOSH)
Pages:: 4
File Size:: 2298 KB
Publication Date:: Jan 1, 1923

Abstract

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Jet is a substance of organic origin and has been defined by the U. S. Geological Survey as a "dense black lignite, taking a good polish, and sometimes used for jewelry". Jet is characterized by the lustrous, intense black surface it displays when polished. It is due to this property that the expression "jet black" is so commonly used to imply intense blackness.

Citation

APA: W. M. Myers (1923) RI 2452 Jet

MLA: W. M. Myers RI 2452 Jet. The National Institute for Occupational Safety and Health (NIOSH), 1923.

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