Heinz Fits'Hek & Co., Steyr-Gleink, Ausirla 
VMS 
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8LIGHT DEVIATIONS IN THE TINT AflE UNAVOIDABLE 
27 Musterkarte („GTW“) mit gefärbten opaken Perlen; Heinz Fitschek & 
Österreich, um 1970; 23,7 x 21 cm 
27 Sample card (“GTW”) with colored opaque beads; Heinz Fitschek & Co., 
tria, about 1970; 23.7 x 21 cm 
Co., Steyr-Gleink, 
Steyr-Gleink, Aus- 
COLORING ON THE OUTSIDE 
Glazing beads with the help of heat was already described in 1818: 
“However, if they are to be coated with a glaze, this takes place over the fire in an iron vessel right 
after one sees that the pieces are suitably round. For the glaze, a prepared metal Urne is used 
that suits the required color; you puiverize it very fine, add some calcinated borax so that it 
liquifies quickly and slowly sift it over the hot beads, stirring constantly and vigorously so that the 
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