Wilbert Smith Archives Files Box 1131 19 1131-19-p221

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eres: THE ITL EXPANDING CIRCLE OF TECHNOLOGY = poriny the paint with the paint of au- of the mineral chromite in ore PULSED SURFACE thentieated wotks is constant within a INTERROGATION INCREASES... tps f ioe ete ee QUALITY IN PRODUCTS technic © of couse more mundane measuring the extent of a AND SYSTEMS than s just described. Nonethe- and for determining why one source less, the te da key role _ ore gives rise to a better product than an in solving ma: hnological other. Petroleum geologists,...