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

International Tables for Crystallography (2006). Vol. C. ch. 5.3, p. 532

Figure 5.3.3.13 

E. Gałdeckaa

a Institute of Low Temperature and Structure Research, Polish Academy of Sciences, PO Box 937, 50-950 Wrocław 2, Poland

[Figure 5.3.3.13]
Figure 5.3.3.13

The double-axis lattice-spacing comparator of Ando, Bailey & Hart (1978[link]); a triple-diffracted beam is used.