| Show A cul nv ln composition in regard to z coal sm ing composition lately tested at Leeds feeds the iron and coal the composition is a chemical anil and one of the principal properties pro pertie claimed tor for it I 1 Is that v when sprinkled on an ordinary fire rafter it ft lias been made up it il insures thorough combustion all the alio ats gisond and tar hichi v in the ord ordinary inari way is allow albov el ed to pass off in ill smoke lip tile being consumed tile modus operandi is ii ery cry simple nil alt it is required to lie done being acini to sprinkle about half balf an the composition Ov overt erthe be fire A chemical reaction takes place in it tire tin co coal aland and the top of the fire becoming cemented together gradually colsum adl of 66 tar and black emoke bic it off while the heat beat instead of escaping c ping through the top 0 the lire fire is thrown out aiuto after the fire I 1 is about half burnt out nothing but coke remains remain nud aud it giresi give otEa great heat the tha compo la is not however suitable foi OE use usei a coke fire |
