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02-02-2010, 10:27 AM #21
Ardennes Coticule use Portuguese slate tiles. They are relatively cheap and are of consistent size and material quality. Pieces of coticule are glued on top of them, neatly arranged for max surface use and easy cutting lines. The tile is then cut along the coticule edges.
Here's a vid:
YouTube - Abbau Belgischer Brocken
It is easy to see how this circumvents the need to cut irregular BBW pieces to uniform slabs for a similar proces - impossible because there simply aren't many raw pieces of the right whetstone quality in that size - or even more labour intensive processing to small pieces matching the bouts and bench size coticules. Labour cost is high and a major proportion of the total production costs. It simply doesn't pay off.
The majority of BBW is sold as building and paving material. If it weren't for this, coticule mining would not be economically viable at all.
The Following User Says Thank You to Oldengaerde For This Useful Post:
AlanII (02-03-2010)
02-02-2010, 11:25 AM
#22