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Classification of experimental techniques
Helliwell, J. R.  International Tables for Crystallography (2006). Vol. C, ch. 2.1, pp. 24-25 [ doi:10.1107/97809553602060000576 ]
... Knipping, P. & von Laue, M. (1912). Interferenz-Erscheinungen bei Röntgenstrahlen. Sitzungsber K. Bayer. Akad. Wiss. Muenchen, pp. 303-322. ...

Synchrotron X-ray sources
Helliwell, J. R.  International Tables for Crystallography (2006). Vol. C, Section 2.2.7.3, pp. 38-41 [ doi:10.1107/97809553602060000577 ]
... applications of synchrotron radiation in protein crystallography are given by Helliwell (1984, 1992). (a) Laue geometry: sources, optics, sample reflection ... size (shown at the Guinier setting for clarity). From Helliwell (1984). The double-crystal monochromator with two parallel or ... corr = 0. The equation for then reduces to (from Greenhough & Helliwell, 1982). For example, for [zeta] = 0, [gamma]V = ...
     [more results from section 2.2.7 in volume C]

Fixed [chi] = 45° geometry with area detector
Helliwell, J. R.  International Tables for Crystallography (2006). Vol. C, Section 2.2.6.3, p. 37 [ doi:10.1107/97809553602060000577 ]
... can be sampled. References Xuong, Ng. H., Nielsen, C., Hamlin, R. & Anderson, D. (1985). Strategy for data collection from protein crystals using a multiwire counter area detector diffractometer. J. Appl. Cryst. 18, 342-350. International Tables for Crystallography (2006 ...
     [more results from section 2.2.6 in volume C]

Recording of cone-axis photograph
Helliwell, J. R.  International Tables for Crystallography (2006). Vol. C, Section 2.2.5.5, p. 36 [ doi:10.1107/97809553602060000577 ]
Recording of cone-axis photograph 2.2.5.5. Recording of cone-axis photograph A cone-axis photograph is recorded by placing a film enclosed in a light-tight envelope in the screen holder and using a small precession angle, e.g. 5° for a small molecule or 1° for a protein. The photograph has ...
     [more results from section 2.2.5 in volume C]

Recording of upper layers
Helliwell, J. R.  International Tables for Crystallography (2006). Vol. C, Section 2.2.4.3, pp. 34-35 [ doi:10.1107/97809553602060000577 ]
Recording of upper layers 2.2.4.3. Recording of upper layers Upper-layer photographs are usually recorded in equi-inclination geometry [i.e. [mu] = -[nu] in equations (2.2.3.7) and (2.2.3.8)]. The X-ray-beam direction is made coincident with the generator of the cone of the diffracted beam for the layer concerned, so ...
     [more results from section 2.2.4 in volume C]

Blind region
Helliwell, J. R.  International Tables for Crystallography (2006). Vol. C, Section 2.2.3.5, p. 34 [ doi:10.1107/97809553602060000577 ]
... symmetry (for example). References Arndt, U. W. & Wonacott, A. J. (1977). The rotation method in crystallography. Amsterdam: North-Holland. ...
     [more results from section 2.2.3 in volume C]

Crystal setting
Helliwell, J. R.  International Tables for Crystallography (2006). Vol. C, Section 2.2.2.2, p. 30 [ doi:10.1107/97809553602060000577 ]
... to l = 2, etc. The radius of the first circle R is related to the interplanar spacing between the (hk0) and ...
     [more results from section 2.2.2 in volume C]

Gnomonic and stereographic transformations
Helliwell, J. R.  International Tables for Crystallography (2006). Vol. C, Section 2.2.1.5, p. 29 [ doi:10.1107/97809553602060000577 ]
Gnomonic and stereographic transformations 2.2.1.5. Gnomonic and stereographic transformations A useful means of transformation of the flat-film Laue pattern is the gnomonic projection. This converts the pattern of spots lying on curved arcs to points lying on straight lines. The stereographic projection is also used. Fig. 2.2.1.5 shows the graphical ...
     [more results from section 2.2.1 in volume C]

Single-crystal X-ray techniques
Helliwell, J. R.  International Tables for Crystallography (2006). Vol. C, ch. 2.2, pp. 26-41 [ doi:10.1107/97809553602060000577 ]
... methods, and applications are dealt with in the books of Helliwell (1992) and Coppens (1992). Quantitative X-ray crystal structure ... Henry, Lipson & Wooster (1951), or McKie & McKie (1986); see also Helliwell (1992, chapter 7). There is a synergy between synchrotron and neutron Laue diffraction developments (see Helliwell & Wilkinson, 1994). 2.2.1.1. General | | The single crystal is ...

Synchrotron-radiation instrumentation, methods and scientific utilization
Helliwell, J. R.  International Tables for Crystallography (2012). Vol. F, ch. 8.1, pp. 189-204 [ doi:10.1107/97809553602060000822 ]
... for station 9.6 as existed at the SRS (adapted from Helliwell et al., 1986)]. (b) Rapidly tunable double-crystal monochromator ... Hodgson, 1980; Webb et al., 1977; Harmsen et al., 1976; Helliwell, 1977, 1979), and a reduction in radiation damage was seen ... pre-edge and post-edge f electron values also indicated] (Helliwell, 1984). Reproduced with the permission of the Institute ...

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