Bragg, William Henry, Sir, 1862-1942, Bragg, William Lawrence, Sir, 1890-1971 · London : G. Bell · leaf 49
o 12 cm. and2O to 20°, QN=.^^2J12 = .028 cm. The ray reflected at R would pass by /^ at adistance of a third of a millimetre only, and the slitat D need only be opened to that extent to takein such rays. When, therefore, a crystal is not very regular in B.R. c 34 THE X-RAY SPECTROMETER its general… … 20 Glartcing ctnqle 40 Fig. 10. the same circumstances, except for the change ofcrystal. In each case the slit B was close to thecrystal and 0.3 mm. wide. The crystal alone wasrotated. The anole at which the diamond must beset in order to reflect the fine incident pencil is re-stricted to much…
Crystallography · X-rays
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