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laboratory notes
Modifications to the high-stability mounting device for the closed-cycle helium cryostat as developed by Henriksen, Larsen & Rasmussen [J. Appl. Cryst. (1986). 19, 390-394] are described. They allow use of the cryostat on the smaller Huber 511.1 diffractometer circle with a smaller source-to-sample distance and reduced blind and collision zones.