CHEhIISTRY AND INDUSTRY xn
: L period of iibout two iiiontlis ; occiisioii tlicii arose to iisc somc of. tlic iiintcrinl, iiiid upon opciiiiig t,lic stopcock tllc t1csicc:ltor wis rollllti to I J ~ still iinticr vnciiiiiii. l h v e v c r , thc lit1 rcfusctl to slitlc off in spite of tlic Iilbriciint on tlic groiiiid srlrfncc, iind in nccordniicc witli forincr p c t . i c c , 11 short riibhcr tulw wiis iitt~nclietl to tlic iiilct, i t n d slight prcssiirc iipplicd I J ~ 1)Iosviiig gciitly oil this tiil)c. liistaitl of tlic lid IoosciiiiiK, tlie bottom sliciirctl out insitlc of t h cyliiitlriciil \v:ills, :IS n clisr :iI)oiit 8 iii. iii tlirinietcr iilid -1 in. tliick. I i i spite of tltc iiiicxpcctctl restilt,, no serious I J I I ~I I S rcsulteil, nltlioiigli J.?rol)~tI)ly tlic long period of eslinristioii liiicl resulted i 1 1 sligltt tlclor~~~iitiuii of the I ~o t t o i n wliicli iviis iiot ;ippliciitioii of slight 1JITYSUI'C siillicctl to criiisc fiiiliirc ;it t I i c point of grentest st riiiii. t,lic SIIUCS itiitl ~lotlii~ig of t lie ol,criittlr \VCI'C (lni~~iig~tl. iiniiictliiitcly tiikcli IIP 011 rclciisc of tlic V~ICIIIIIII, r i d tlic I niii, Sir, ctc., I?. .'. J l t ~l l E l t ~l o ~l " r S tockcl nlc, Clitylllollt, 1)cl. Jiiii. 5, 1!U3 STRUCTURE OF NAPHTHALENE S~it,-l itcccpt, tlic criticisiii of 11. W, '~lloiil~~SlJli (cf. Ciiini. & l s ~) . , Jiiii. '70, p. Cil), i t i i t l iigrcc t l i i i t t l i i ~ spnimctricnl foriiiiilii for IiiiIJlit IinIcIie cniiriot IJC just ifictl 1111 stcric groiiiitls. Ncvcrthclrss, t lie rcsults of sabst itiitioii csperiiiiciits ;irv tlifficiilt t o cspliiin witli iiiiy (dicr st.riict tire. J nni, Sir, ctc.. 1' . lh<l,l, I h t t crscn l'olytccliiiic*,