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Figure 3
(a) Plan of the Geneva drive mechanism. The samples are constantly being spun at 3.7 Hz by a DC motor. When the stepping motor rotates through 360°, the plate that carries the goniometers rotates through 45° into the next fixed position. (b) Side view of the Geneva drive mechanism showing the location of the goniometer axis with the diffractometer axis, and the locations of the DC spinning motor and the Geneva drive's stepping motor.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 5| Part 3| May 1998| Pages 823-825
https://doi.org/10.1107/S0909049597017780
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