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Electrically Powered Ventilation Fans
Description2 As coal mines continued to increase in siz
As coal mines continued to increase in size, the dangerous problem of inadequate ventilation became abundantly clear. While steam driven fans, used widely in the late 19th century, were an improvement to the furnaces used to increase circulation in 18th and 19th century mines, it was not until the introduction of electrically powered fans in the early 20th century that dangerously high levels of methane could be controlled and safely dispersed.
could be controlled and safely dispersed.  +
Priority Mining  +
Timeline Date August 1, 1910  +
Categories Health and safety , Accident prevention , Mine safety , Materials , Mining , Disasters & accidents , Gas and dust control , Timeline
Modification date
"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by Semantic MediaWiki.
06:48:30, 23 November 2017  +
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