A bstract A series of lead oxide‐silica glasses varying in composition from 10 to 60 mol % of PbO was prepared and diffraction patterns were obtained. The observed intensity curves derived from these patterns were matched with curves calculated from assumed structures by means of the scattering equation of Zernicke and Prins. The atomic arrangement finally derived consists of a continuous, randomly oriented, three‐dimensional network of silicon‐oxygen tetrahedrons and lead atoms. There was no indication of molecular or aggregate formation and no discrete atomic grouping of this nature was postulated to explain the X‐ray evidence. The study of this series of glasses further substantiates the results obtained by Warren and Loring for soda‐silica glasses and is in accord with Zachariasen's picture of glass.
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George J. Bair (1936) studied this question.