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Формат: 148×210, 122 стр.

ISBN:



9785877721081

Robert Hallowell Richards

Robert Hallowell Richards



(

August 26

,

1844

–

March 27

,

1945

) [





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MIT



Press|date = 2005|location =

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|pages = 789|url = https://ift.tt/3kLeZfM = 0262195240





] was an



American





mining engineer



,



metallurgist



, and educator, born at



Gardiner



,

Maine

In 1868, with the first class to leave the institution, he graduated from the

Massachusetts Institute of Technology

, and there he taught for 46 years, becoming professor of

mineralogy

and

assay

ing in 1871, head of the department of mining engineering in 1873, and in 1884 professor also of metallurgy. The laboratories which he established at the Institute were the first of their kind in the world. He retired in 1914.

Richards invented a jet aspirator for chemical and physical laboratories and a prism for stadia surveying. But it was in the field of ore dressing that he became especially distinguished. He determined the curves of material settling in water, thereby establishing the fundamental principles of sorting ore by means of jigs and other machines. He invented separators for

Lake Superior

copper

,

Virginia

iron

, and three for ores of the

Western United States

. Richards served as president of the



American Institute of Mining Engineers



in 1886. He was author of more than 100



monographs



and articles, but his most notable work is a monumental

treatise

, «Ore Dressing» (four volumes, 1903-09). He published also a «Text Book of Ore Dressing» (1909). His wife was



Ellen Henrietta Richards



.

References

*

Источник:



Robert Hallowell Richards

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