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Show COAL MINE AND COLLIERY . lH IN BIG MECHANNICALTOY HI t nil Washington, April 29. The Nation- ilM al museum has Installed a largo work- 11 Ing model of a colliery and a coal lltH mine. It is in operation daily for G i M minutes every halt hour, and It is tho M first exhibit of the new division ot j M mineral technolgy of the United Sta- M tcs National Musoum. It will be a ( M source of delight greater than-even, j U tho mostlntricate modern mechanic- al toys enn afford on account of Its M -f-B slzo and completeness and tho varle- H ty ot Its working parts and It affords jH nn accurate representation ot a col- 1 M ilery In action, j M Coal does not go directly from mlno M to nia-ket, but passes through various M processes carried on by what nro H known as the tipple, washery, coke H ovens, etc. 11 To Illustrate these processes, this 111 largo model has been devised. Tho II model Is a gift of tho Contolldtted lH Coal compunV of West Virginia nnd til reproduces tho conditions at that III company's mlno at FalrmounLt ill n FaBBH |