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<p>[QUOTE=&quot;springfld.arsenal, post: 83048, member: 54&quot;]Pic of Russian GPK-59 tank gyrocompass.&nbsp; If you transliterated the XYK-59 from the back of op&#039;s machine it probably becomes GPK-59.&nbsp; Note same names on both lower knobs on both units, and the same &quot;Dutch building facade&quot; shape as seen from front.</p><p><br /></p><p>Units used in one below are &quot;Soviet mils&quot; of 6000 mils=360 degrees.</p><p><br /></p><p><img src="http://www.reaa.ru/yabbfilesA/Attachments/IMG_5529.JPG" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p>Pic courtesy of Lone Sentry site, borrowed under doctrine of free use for educational purposes.[/QUOTE]</p><p><br /></p>

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