. The Bell System technical journal . -stal, each with a difTerent interplanar spacing, a variety of angles, d, with the incident beam, reflect whatever wave-lengths of radiation in the incident beam satisfy the Bragg equation, ;/X =2d sin d, and the reflected beams are recorded photographically. Figure 11shows films resulting from one-hour exposures. As in the case of the single-crystal spectrometer, the slit-collimated beam comprises non-parallel rays, !■< Bozorth, R. M. and Hawoith, F. K., The Perfection of Quartz and Other Crystalsand Its Relation to Surface Treatment. Phys. Re
. The Bell System technical journal . -stal, each with a difTerent interplanar spacing, a variety of angles, d, with the incident beam, reflect whatever wave-lengths of radiation in the incident beam satisfy the Bragg equation, ;/X =2d sin d, and the reflected beams are recorded photographically. Figure 11shows films resulting from one-hour exposures. As in the case of the single-crystal spectrometer, the slit-collimated beam comprises non-parallel rays, !■< Bozorth, R. M. and Hawoith, F. K., The Perfection of Quartz and Other Crystalsand Its Relation to Surface Treatment. Phys. Rev. 45 (1934) p. 821-826; Bell TelephoneSystem Technical Publications Monograph H-801. SURFACE LAYERS OF CRYSTALS 140 1 180 303V2 EMERY —► nA = 2d SIN e X-RAYTUBE Fig. 10.—Section of transmission Lane camera. Si and S. are coUimating slits
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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1
