By immersing paper (plain, printed or‘written on) in a strong solution •f alum water and then drying it, fba paper will be made fireprdof. •dine paper, however, requires Mveral iimmersions and must be,immersed and dried until saturated. Test by holding saturated paper in tho items, of a lighted candle. Monev
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https://paperspast.natlib.govt.nz/newspapers/NORAG19060911.2.22.4
Bibliographic details
Northland Age, Volume 3, Issue 6, 11 September 1906, Page 2
Word Count
50Page 2 Advertisements Column 4 Northland Age, Volume 3, Issue 6, 11 September 1906, Page 2
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