Thus he states that the material on which he worked was lighter than water, whereas in fact gilsonite is heavier; that when heated, his material gave a final, irreducible residue of some 43%, whereas gilsonite yields no more than 30% of residue that all the volatile matter driven 011’ by distillation was condensable by water cooling, whereas gilsonite yields such substantial proportions as some 15% of vapor not’so condensable, including some 13% of well-known gases; that no solid separated out in any of his distillations, whereas, under the gen and nitrogen together, whereas gilsomte contains .-about -2 to 3%-of n1trogen I alone; and that his refining operations consumed a proportion of. the oil treated that is almost unbelievable.

While the indefiniteness of his descriptions makes any attempt to repeat or reproduce his work quite futile, such data and results as he does report, nevertheless, show very clearly that he could not really have been working with true Gilsonite at all,-except,- perhaps, in admixture with dominant amounts of other substances.