T,K	1895 glass and melt	C	D	E	F	G	H	I	J
298.09	0.54700								
338.42	0.53000								
375.69	0.51700								
426.76	0.50900								
474.38	0.49800								
573.76	0.49400								
671.17	0.47700								
770.15	0.47500								
841.53	0.47700								
									
865.10	0.45700								
892.11	0.47000								
915.28	0.43200								
939.93	0.39400								
963.98	0.38700								
990.11	0.38700								
1014.6	0.37100								
1064.0	0.37600								
1161.9	0.37100								
1259.2	0.33400