OCR Text |
Show TO SPEAK ON OIL SHALE. L. C. Karrlck. junior refinery engineer en-gineer of the bureau of mines, will give hla second lecture on oil shala at tonight's meeting of the university extension ex-tension cours in "Petroleum Geology"; at the Commercial club. Hie talk will i deal with the met hods used in producing pro-ducing oil from oil shale after It has! been mind. The lecture will be illus-i trated with lanirrn slides showing va ! rioua types of retorts used for com-j mercial and laboratory work. , I |