Achaeometrical Research in Hungary II., 1988

ANALYSES - GLASS - Edit MESTER - István SZABÓ: Research of medieval glass vessels and glasshauses in Visegrád and Diósjenő

Fig. 16/b: Stones covered glass melt, glass drops and ceramics from furnace no. 1 (glasshouse no.3 at Diósjenő) (E. MESTER, I. SZABÓ, 1997.) Glasshouse at Diósjenő Glasshouse at Visegrád Glass-house at Mátraszentimre Glass vessels from Visegrád Czech glasshouses English glasshouses Si0

2 60.81 53.5 61.94 55.03 62.31 55.7 Na

2

0 1.67 0.28 0.25 0.24 2.94 3.1 к

2

о 25.81 27.56 15.1 29.4 10.28 11.4 CaO 3.88 14.45 16.56 12.35 16.3 14.8 other oxides 8.93 4.21 7.25 2.98 9.27 15 Fig. 17: Average compositions of weathered potash-glasses (weight-percent) (E. MESTER, I. SZABÓ, 1997.,K. HETTTES, 1963., R.G. NEWTON, 1975.) ill