A groove of suitable shape H ' as full of turquois in different stages of development from is provided on the plate. This groove is filled with Maassstab 1:20 a creain colored chalky substance, which is said to glass and covered in afterwards so as to act as a sup- Controller-Switch for possess… … quickly and gives beautiful results. by retaining a stone a few days before To produce a colored pattern on the purchasing as the turquois is the most glass, the design is made on thin treacherous of jewels. paper and powdered glass is used as a coloring matter, High prices are now paid for stones…
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