The New Encyclopaedia Britannica: Macropaedia: knowledge in depth. 19 vEncyclopaedia Britannica, Incorporated, 1981 - Encyclopedias and dictionaries |
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Page 196
... glass a surrogate for natural stones . Although the colours used are often not such as are found in nature , the glass is han- dled as though it were jade , the foot in particular being fashioned as though cut from stone . This lapidary ...
... glass a surrogate for natural stones . Although the colours used are often not such as are found in nature , the glass is han- dled as though it were jade , the foot in particular being fashioned as though cut from stone . This lapidary ...
Page 197
... glass Millefiori glass. cosity in the two materials at a given temperature . Ordi- nary glass contains about 15 percent soda to render it workable at moderate temperatures . Lime is also neces- sary to prevent water solubility . This ...
... glass Millefiori glass. cosity in the two materials at a given temperature . Ordi- nary glass contains about 15 percent soda to render it workable at moderate temperatures . Lime is also neces- sary to prevent water solubility . This ...
Page 208
Silica glass formers soda - lime- borosilicate alumino- lead silica silicate Nonsilica glass formers † Temperature at which internal These compositions are typical of the various glass types . stresses are reduced significantly over a ...
Silica glass formers soda - lime- borosilicate alumino- lead silica silicate Nonsilica glass formers † Temperature at which internal These compositions are typical of the various glass types . stresses are reduced significantly over a ...
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