Fusion procedure, in the ornans of cuba, of the mix that constitutes the composition that provides the glass (Machine-translation by Google Translate, not legally binding)

摘要

Melting process, in the furnaces of vat, of the mixture that constitutes the composition that provides the glass, characterized by accompanying the fusion of this composition, by a detachment of gas bubbles coming from materials that possess the essential property of producing a significant amount of gas when they reach a temperature close to the temperature of the oven. (Machine-translation by Google Translate, not legally binding)