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Books Books 1 - 9 of 9 on Flint glass, called by the French " cristal," from its resemblance to real crystal,....
" Flint glass, called by the French " cristal," from its resemblance to real crystal, is composed of silex (whence the English name), to which is added carbonate of potash and litharge, or red lead ; to which latter material is owing, not only its great... "
Minutes of Proceedings of the Institution of Civil Engineers - Page 37
by Institution of Civil Engineers (Great Britain) - 1848
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The Mechanics' Magazine, Museum, Register, Journal, and Gazette, Volume 33

Industrial arts - 1840
...cristal," from its resemblance to real crystal, is composed of silez (whence the English name), to which is added carbonate of potash and litharge, or...owing, not only its great specific gravity, but its snperior lustre, its ductility, and power of refraction. It is necessary for optical purposes that...
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Iron: An Illustrated Weekly Journal for Iron and Steel ..., Volume 33

Perry Fairfax Nursey - Industrial arts - 1840
...cristal," from its resemblance to real crystal, is composed of silex (whence the English name), to which is added carbonate of potash and litharge, or red lead ; to which lalter material is owing, not only its great specific gravity, but its superior lustre, its ductility,...
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The Chemist ; Or, Reporter of Chemical Discoveries and Improvements, Volume 1

Charles Watt - Chemistry - 1840
...cristal," from its resemblance to real crystal, — is composed of silex (whence the English name) , to which is added carbonate of potash and litharge, or red lead : to the latter material is owing, not only its great specific gravity, but its superior lustre, ductility,...
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The Chemist, Volume 1

Chemistry - 1840
...cristal," from its resemblance to real crystal, — is composed of silex (whence the English name), to which is added carbonate of potash and litharge, or red lead : to the latter material is owing, not only its great specific gravity, but its superior lustre, ductility,...
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The London journal of arts and sciences (and repertory of patent inventions ...

William Newton - 1841
...cristal," from its resemblance to real crystal, is composed of silex (whence the English name), to which is added carbonate of potash and litharge, or...caused by the want of homogeneity in the melted mass, occasianed by the difficulty of perfectly fusing substances of sucft different density as the materials...
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Newton's London Journal of Arts and Sciences: Being Record of the ..., Volume 17

William Newton, Charles Frederick Partington - 1841
...cristal," from its resemblance to real crystal, is composed of silex (whence the English name), to which is added carbonate of potash and litharge, or...caused by the want of homogeneity in the melted mass, occasiVOL. xyn. i" oned by the difficulty of perfectly fusing substances of such different density...
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Journal of the Franklin Institute

Meteorology - 1841
..."crystal," from its resemblance to real crystal, is composed of silex (whence the English name,) to which is added carbonate of potash and litharge, or...distorted, and this defect is caused by the want of homogenity in the melted mass, occasioned by the difficulty of perfectly fusing substances of such...
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Journal of the Franklin Institute

Electronic journals - 1841
..."crystal," from its resemblance to real crystal, is composed of silex (whence the English name,) to which is added carbonate of potash and litharge, or...purposes that flint glass should be perfectly free from stria?, otherwise the rays of light passing through it diverge and become distorted, and this defect...
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The Mechanic's Magazine, Museum, Register, Journal and Gazette, Volume 33

1840
...cristal," from its resemblance to real crystal, is composed of silex (whence the English name), to which is added carbonate of potash and litharge, or...purposes that flint glass should be perfectly free from •true, otherwise the rays of light passing through it direrge and become distorted, and this defect...
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