Included in the manufacture of glass is flue dust, which supplies potash and lead in the form of red lead or lead ruet. For colouring glass, such metals as iron, copper, nickel, manganese, aluminium, cobalt and chromium are employed.
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Bibliographic details
Auckland Star, Volume LXIV, Issue 73, 28 March 1933, Page 13
Word Count
39Page 13 Advertisements Column 1 Auckland Star, Volume LXIV, Issue 73, 28 March 1933, Page 13
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