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The Fractionation pf California Petroleum by Diffusion through Fuller's Earth •.

DISSERTATION

SUBMITTED TO THE BOARD OF UNIVERSITY STUDIES OF THE JOHNS HOPKINS UNIVERSITY IN CONFORMITY WITH THE REQUIREMENTS FOR THE DEGREE OF DOCTOR OF PHILOSOPHY

aary A binary A™

BY

. PHILIP SCHNEEBERGER

June, 1913

Eäston, Pa. ' Eschenbach Printing Co. 1913