Figure 2.3.4.1

Parrish, W.; Langford, J. I.

doi:10.1107/97809553602060000578

International
Tables for
Crystallography
Volume C
Mathematical, physical and chemical tables
Edited by E. Prince

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International Tables for Crystallography (2006). Vol. C. ch. 2.3, p. 70

Figure 2.3.4.1

W. Parrish^a ^‡ and J. I. Langford^b

^a IBM Almaden Research Center, San Jose, CA, USA, and ^bSchool of Physics & Astronomy, University of Birmingham, Birmingham B15 2TT, England

Figure 2.3.4.1

Powder-camera geometries. (a) Straumanis film setting. (b) Origin of `umbrella' effect (axial divergence). (c) Guinier camera with specimen in transmission and (d) in reflection. (e) Symmetrical back-reflection focusing camera. (f) Flat-film camera for forward- and back-reflection.