Pontypool japan is a name given to the process of japanning with the use of an oil varnish and heat, which is credited to Thomas Allgood of Pontypool. In the late 17th century, during his search for a corrosion-resistant coating for iron, he developed a recipe that included asphaltum, linseed oil and burnt umber.
Pontypool japan is a name given to the process of japanning with the use of an oil varnish and heat, which is credited to Thomas Allgood of Pontypool. In the late 17th century, during his search for a corrosion-resistant coating for iron, he developed a recipe that included asphaltum, linseed oil and burnt umber.
Source: Wikipedia "Pontypool japan" · CC BY-SA 4.0
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