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<p>[QUOTE=&quot;2manybooks, post: 2642804, member: 8267&quot;]&quot;Engine turning&quot; is a description you sometimes see in older books on ivory, before &quot;Schreger lines&quot; became the more common term. It refers to a decorative type of engraving applied to small items such as watch cases and compacts. Machines - &quot;engines&quot; - for creating the patterns were developed in the 18th century. They are not suggesting that the lines in ivory were engraved, but that the visual effect is similar.</p><p><br /></p><p><img src="https://pictures.abebooks.com/TRINDERSFINETOOLS/6823251909_2.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><a href="https://www.abebooks.co.uk/Rose-Cutting-Frame-Producing-Engine-Patterns/6823251909/bd" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://www.abebooks.co.uk/Rose-Cutting-Frame-Producing-Engine-Patterns/6823251909/bd" rel="nofollow">https://www.abebooks.co.uk/Rose-Cutting-Frame-Producing-Engine-Patterns/6823251909/bd</a></p><p><br /></p><p><img src="http://4.bp.blogspot.com/-77WogvYvPKs/TeALHFmr6GI/AAAAAAAAABY/WNHKN_kiBD4/s1600/Guilloche+enamel+2.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><a href="http://jewellerylife.blogspot.com/2011/05/what-is-engine-turning.html" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://jewellerylife.blogspot.com/2011/05/what-is-engine-turning.html" rel="nofollow">http://jewellerylife.blogspot.com/2011/05/what-is-engine-turning.html</a></p><p><br /></p><p><a href="https://www.watchprosite.com/breguet/breguet--basel-2015--rose-engine-turning-of-a-breguet-dial--photos-and-video/1.990078.6946113/" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://www.watchprosite.com/breguet/breguet--basel-2015--rose-engine-turning-of-a-breguet-dial--photos-and-video/1.990078.6946113/" rel="nofollow">https://www.watchprosite.com/breguet/breguet--basel-2015--rose-engine-turning-of-a-breguet-dial--photos-and-video/1.990078.6946113/</a>[/QUOTE]</p><p><br /></p>

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