On the Devitrification caused upon the Surface of Sheet Glass by Heat JSGT_V06_T231-T234
It is a well-known fact that the surface of a glass plate of the type commonly used in windows becomes devitrified by the effect of heat. The author attempted to ascertain the lowest temperature at which surface devitrification would occur on glass plates, and to identify the various crystalline forms which develop on the surface as the temperature is raised. There was thus obtained a certain connection between the time and the temperature at which surface devitrification developed.
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