by Dave Walker, UK
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Figure 3: Gabbro thin rock section.Objective 3.5x.The
analyser is rotated above the stationary subject so crossed polars are not maintained.
Compare with Fig. 2a.
(16 jpeg images, each 46kbytes, at 30° rotation intervals of the analyser with
crossed polarisation filters set)
'Image Cycler' script written by D Keith Higgs. One of the
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