00822cam a22002291  4500001001300000003000400013005001700017008004100034010001700075035001900092040001900111042001200130050001500142100003400157245007200191260007300263300001800336410007100354500012400425504002800549650001500577gs 34000003 DLC20260227111338.0790607s1933    ilua     b   s000 0 eng    ags 34000003   a(OCoLC)5045507  aDLCcTxCMdDLC  apremarc00aTP690b.P51 aPiersol, Robert James,d1890-10aElectric condenser process for demulsifying oil,cby R. J. Piersol.  aUrbana, Ill.,bprinted by authority of the state of Illinois,c1933.  a38 p.billus.20aIllinois State Geological SurveytReport of investigationsvno. 29  aAt head of title: State of Illinois. Department of Registration and Education. Division of the State Geological Survey.  aBibliography: p. 30-38. 0aPetroleum.