 Glass objects are generally made entirely of glass, whilst glazed objects consist of one or more layers of glaze applied to a core or base of other material. Glass is made by heating the ingredients in a crucible until they fuse into a liquid, which is...  Bulletin - Página 3por Östasiatiska museet - 1938Vista completa - Acerca de este libro
 | Robert James Forbes - 1966 - 258 páginas
...a crucible. When properly fused the glass is poured into a mould, pulled out as threads when still in a plastic condition, or allowed to cool and then broken from the pot. At a later stage in the history of glass some glass was drawn from the pot by means of a blowpipe and... | |
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