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Show OILFILMMAY OVERCOME FOG Scientists to Try Out Planj on Monongahela River j P1TTHB17RO, Oot II Pltteburra forj problem may bo solved this winter by tocat scientists. ; Lubrication ot the Monontrehela river Is tho keysets of an Idea which Is be-In be-In a; developed at tho Mellon Institute. Ir. H. B. Mailer, dean of ths school I of mines at tho University of Pitts-burs;, Pitts-burs;, and officials of tha war department depart-ment and weather bureau aro cooperating-. The Vonong-ehla river, according to scientists. Is the chief villain In 1'itts-burg 1'itts-burg a tog troubles. The river, which la warmer than ths air sweeping through ths valley, gives up a portion of its water which arises as vapor and quickly cools. A film of oil prevents thla union, but ths problem for tho Invest Igators st at a uon instttuie was to concort a mixture mix-ture that could be used at a reasonable sipenae. A atalsfartorj- spray has bean discovered, dis-covered, ftean Meller has announced. In preliminary tets thla a pray- covered cov-ered areas of warf-e-C-J-nd was only one twentr-fl'th as tXicJiVja the ordinary oil film which la uaedrt$fteatroy tnoa-quitoaa tnoa-quitoaa Th first experiment on Yne Vonon ? he) a will ba made within a few days, ha bombardment will be from a tug Especially conatructed aosalea will be used to spray an area of about one mile. JiihB'Miuent activities will da- , pend pon the outcome of thla teat. , |