Shale, was a mineral with a larger quantity of earthy matter than coal, but the em-thy matter in, this substance was incompatable with its being a shale.Carbonaceous matter was the base of this mineral, and not clay.Frankland could discover no bitumen in it, but its gas pro- ducing powers were much greater than those of bituminous coal.
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It was jeffrey that in 1908 originated the fundamental ideas of the single roll.The crusher which in many thousands of installations today is proving itself so highly effective.Reducing lump coal down to 1 14 in one pass, with a minimum of fines.
W the joliet piiisonpost devoted to prison n e av s vol.Joliet, illinols, january 1, 1914.1 published monthly by the editorial board of commissioners and the warden of the r- --- -- il,i - ons and shackles.The trip was made bv trol- ley cars and train.
Sat 18 feb 1950 - the sydney morning herald nsw 1842 - 1954 page 30 - advertising.
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Sat 11 sep 1954 - the sydney morning herald nsw 1842 - 1954 page 18 - advertising.