Wilbert Smith Archives Files Box 1131 19 1131-19-p259

Document Text (OCR)

calculated from the measurement of the spacings of the diffraction lines. Since the lines were broad, accurate measurements could not be made, and the calculated unit-cell dimension can ie considered only as an approximation. The unidentified aerial object was submitted to the Analytical Chemistry Section, where a portion was filed off and, from this,a semi-quantitative spectrographic analysis was obtained. The results of this analysis were provided to the Physical Chemistry Section, and were...