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. 531

Figure 5.3.3.12 

E. Gałdeckaa

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

[Figure 5.3.3.12]
Figure 5.3.3.12

Schematic representation of the double-beam comparator of Hart (1969[link]).