Zinc "Wash for Boohs. — Mix oxide of zinc with common size and apply it with a brush, like lime whitewash to the ceiling of the room. After this, apply a I wash in the same manner, of the chloride i of zinc, Which will combine with the oxide and form a smooth cement with a shining surface. Hardening Wood fob Pulleys.— After a wooden pulley is turned and rubbed smooth, boil it for about eight minutes in olive oil, then allow it to dry, after which it Will ultimately become almost as bard as copper.
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https://paperspast.natlib.govt.nz/newspapers/ST18730124.2.17.1
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Southland Times, Issue 1693, 24 January 1873, Page 3
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95Page 3 Advertisements Column 1 Southland Times, Issue 1693, 24 January 1873, Page 3
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