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n vnlunblc quantity of nininonin froin iiiipcrfcct con tlcnsntion nnd csposure.
I tliiiili it is n ninttcr of grcnt importancc, for tlic vnluc OF tho prodncts, tllnt tho proccss of cokiii: should bc coni inrntivcly slow. I bclicvc the niori slow~y wc dry tlic pitclly Imss w.lticli is passing intc cokc, if it bc undisturbctl in tlic ~J ~O C C S S , tlic niori dcnso i t is. I t is rensoiiablc to supposo this sliouli bc so, nnd I am iilso quito convincctl tlint by n sloa disti1l:ition :~nd nvoitlnnco ol csposuro to high licni tlic niorc slcndcrly coinbincd Iiyilroc nl *b oils arc 11 )roportionnlly larger quantity rccovcrcd. Wc hart 1 1 x 1 in our criitic oils, not imctionnlly scpmitctl, bui snInpIcd e71, ~I M S S ~, solid pnraflin to tho cstcnt of OYCI 15 pcr ccnt. by wciglit. h 1:irgc qunntity of tlic liydro. c;irboiis forinctl, n sli lit C\CCSY of lieat. would cloulh icss ~i n w dccotnposec? intd'ltydrocntbotis of less vn~uc niid gas, :ind I look for furtllcr bcncfits, both in rliinlitj ol colic and riclincss ol products, to n yct sIo\vct process or distillntion. TIN nttcntion rcquircd is 1101 iricrc:~sed, ant1 tlic singlc drnwback which can bc sci against it is tltnt nn iiicrcnscil rango of ovcns would bc used, and proportioi~rilly incrcnscd intcrcst 01
π SIMILAR VOLUMES
## Newcastle Section. with high ash (7 t o 12 per cont:) may be 1 por cont. out, 1 and wet small conl, if not nir dried on a fnirly lnrgc con4 or moro on consecutive samples. A sampling error tho sampling is done systemnticnlly under skilled supcrvision. Even oil fucl has its own eumpling dinicult