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Inside the mastaba, German archaeologists discovered 700 jars that had originally contained 4,500 liters of resinated wine.

The bismuth and other lustres made by the modern potter are combinations of metallic oxides and resinates dissolved in ethereal oils.

The resinates of lead and manganese are often added to oil heated at a lower temperature, to obtain a boiled oil of lighter color.

There was also sound red wine, and plenty of it, varying according to the makers, but mostly good, and only in one case slightly resinated.

The resinate solution is withdrawn, acidified, and the resin acids collected, dried and weighed.