Waddle fan

http://dbpedia.org/resource/Waddle_fan an entity of type: Advocate109774783

Waddle fans, sometimes incorrectly spelled Waddell, were large centrifugal fans, used to ventilate coal mines. They were distinguished both by their extremely large size and by the fan having an integral shroud and so being able to be mounted in the open air. rdf:langString
rdf:langString Waddle fan
xsd:integer 39796198
xsd:integer 1065632996
rdf:langString note
rdf:langString Waddle fans, sometimes incorrectly spelled Waddell, were large centrifugal fans, used to ventilate coal mines. They were distinguished both by their extremely large size and by the fan having an integral shroud and so being able to be mounted in the open air.
rdf:langString lower-roman
xsd:nonNegativeInteger 7593

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