1. 
   Knurling
   Knurling is a manufacturing process, typically conducted on a lathe, whereby a visually attractive diamond-shaped (criss-cross) pattern is cut or rolled into metal. == Uses == Knurling allows hands or fingers to get a better grip on the knurled object than would be provided by the originally smooth...
   Found op http://en.wikipedia.org/wiki/Knurling
   
   
2. 
   Knurling
   The process of finishing a part by scoring or pressing patterns on the surface of the work. See also: Knurl.
   Found op http://www.diracdelta.co.uk/science/source/k/n/knurling/source.html
   
   
3. 
   knurling
   A decorative edging seen particularly on late 19thC gold and silver. It is an irregular version of gadrooning with grooves cut at varying intervals to create an effect similar to oblong bead moulding.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
4. 
   knurling
   A decorative edging seen particularly on late 19thC gold and silver. It is an irregular version of gadrooning with grooves cut at varying intervals to create an effect similar to oblong bead moulding.
   Found op http://www.antique-marks.com/antique-terms-k.html
   
   

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