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Show Reveals Process for Pumping Coal in Pipes it J 1 - N - ff 1 vj , f 1- f 1, 51 lb ' i;- N ' i X N ? fl ' " " ' Lj cf !'-s A l! ti'l - I I I ll lilt I-- - ' l' Ur. Robert E. Burk of Western Reserve university, Cleveland, Ohio, recently disclosed a process whittle whit-tle said might revolutionize American heavy industry by enabling great mill furnaces to receive powdere coal piped direct from mines miles away. The powdered coal would be suspended in a soapy solutio pumped from mine to mill, and the soap removed by applying lime. |