Caption: Book - Mining Engineering Overview (1913)
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T h e drafting room contains a large colli tion mine maps, plans of mining machinery I tl
-tograph.^ catalot of
manufacturers of mining mi hinery, all ird-index In re i also a library of reference books upon design. 1 he mine surveying equipment is also kept here, j well as th 11 of princip 1 mining magazines.
I he museum contains samples ol washed coal from neail\ very washery in Illinois; also coke, briquets, and products oi
ore concentration, together with metallurgical products, models
of mine workings, mine timbering, signaling and lighting J e \ >$,
and haulage and hoisting appliances,