Society of Glass Technology · [Sheffield] · leaf 319
Change of devitrification with rise of temperature from 700° to750°, 800° and 1100°. Magnification 148 diameters. [To jace Trans., p. 233. DEVITRIFICATION CAUSED UTON SHEET GLASS BY HEAT. 233 Type of Crystallisation. Time of heal Temperature. ing(minutes). S.LA. S.I.T. 950° 1 Needle crystals…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
