Rcfcrring to tlic questions rniscd by tliosc g~1it~ClnCli who linvc takcn pnrt i n the discussion, I inny say, first, I do not wisli to discuss tlic sub.jcct of thc fornicr nnnlyacs of coal gas: niy nutlioritics linrc been ircn, nnd I iniist leave yon to judgc wlictlier tlic nnny scs fnirly rcprcscnt what the gis actunily coiitnins. t relily to J I~. Stnvelcy, tlicre is no doubt tltnt tlic bcnzenc is in n stntc of vnpour, niid not prcscnt ns liquitl pnrticlcs: tlic boiling points Iti~ve bccn

more »

... cn ns pure bcnzcnc, toloenc, niitl sylcnc, ant1 tlicir qunntities nlso. \Vitli regard to the iliffcrcnt yicltls of !)o per ccnt. bcnzol incntillncd by 111.. Stnvclcy, Inrgcr yiclds linrc l m n o,+iiicil when working on s i i i n l l qrinntities of coal. lltc quantities I have calculated my costs upon wcro o1Jt:liticd on the large scalc froin ordinary gns retorts. Saniplcs of this benzol Iinvc bccn sent out to buycrs as suggcstcd by JIr. Stnvclcy, and it is rcrnnrknblc how cilgcr all nppcnr to get hold of it.. The cost of coal ns 1nc11tiotietl by scvcrnl spcnkers will vary 'according to locolity,:ind one price cannot hold root1 for tlic wliolc coiuitry. i\s nlrcntly incntionc(1, kenzol is a spccu-Intivc nrticle: it has rcnclicd ns high n price ns 15s. p r gnllo~~, while not ninny years ago it fell to as low :is :Is. &I. 0 1 1 accoiint of this Iluctiintion i t lins ncvcr hccn iiscd in its innsiiiiiitii qanntity, but if tlic sulq)ly bo stc:itlynitd eqiinl nll tlic ycnr roiind, tlicrc is cvery reason to suppose tlint it will bc usctl tniicli ntorc Inrgcly than it lins liitlicrto bccn. On tlic otlier h i i d , if crcry onc using c o d wcrc to gasify it nnd cstrnct tlic hydrOCilrlJ@liS froin the gas, tlicrc is no doubt tlt:it conscqiicncc ~voultl IJC such n fall i n pricc ns wodd cvcntunlly pa nol)otly. Tho loss of 1ic:iting po\ver nftcr tlio ~i y i o c n r b o n vnpours ltnvc beeti cxtractccl niiiounts to nbout 10 per cent.. thC Sll~l1~~y Would liirgC!y CSCCCll the tlClllnllt~. 'r1lC . . . -.