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Excerpt from American Chemical Journal, Vol. 34: July-December, 1905
Having failed to procure Cells of the required character, we proceeded to make a microscopic study of thin sections of a considerable number of those which had been previously tested with membranes, selecting for the purpose cells which could be Classified as fairly good, bad and indifierent. It was hoped, by this means, to discover the peculiarities of texture which determine the suitability of a porous wall for experimental work and, having found them, that methods might be devised which would insure the reproduction, at will, of the essential qualities. The work along these lines is far from finished and the results are, therefore, not ready for publication. We have already succeededhhowever, in producing, in the laboratory, a few cells of almost ideal excellence and with these the meas urements of pressure here recorded were made.
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