On bord or slightly off bord faces Dranyam machine achieves considerable improvement in coal-sizing over Anderton Shearer-Loader, while possessing almost equal simplicity of operation and giving comparable productivity; where coal cleavage is not well defined, limited operational experience to date indicates that only marginal improvement in coal-sizing is possible; limitations of machine and lines of development which would widen field of application. (See also Min Engr v 120 n 8 May 1961 p 644-56)
Development of vertical drum (Dranyam) shearer loader
Colliery Guardian
Colliery Guardian ; 202 , n 5226
1961
Aufsatz (Zeitschrift)
Englisch
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Development of vertical drum (Dranyam) shearer loader
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