Show d coal savers I 1 P are e atey taid various preparations at P advertised in this www country which are presumed to contrite of 4 sIder ably to the bea heating ting power po 00 when applied in the prescribed pa 0 writes consul general robert r of foa B london the direct ner B D search lu in anav answer to an 0 of these preparations the value that these pro proprietary prie tarY suliston sas flete ces been in the market a 1009 to be kit that there does not appear scientific evidence evidence 1 genuine of the claims 01 ol their B ile he concludes conclude the nature J substances maies makes it highly wi bil effect whit v have any that they or of cw coal on the combustion at used in fuels fuel 3 when they are titles prescribed |