This section is from the book "Chromatography; Or, A Treatise On Colours And Pigments, And Of Their Powers In Painting", by George Field. Also available from Amazon: Chromatography, or A Treatise on Colours and Pigments, and of Their Powers in Painting.
Antwerp Brown is a preparation of asphaltum ground in strong drying-oil, by which it becomes less liable to crack. See the two last articles. Ochrous bitumens, bituminous coal, jet, and other bituminous substances, afford similar browns. See also Cappagh Brown preceding.