An essay on the mechanic of oil colours, considered under these heads, Oils, Varnishes, and Pigments, with respect to their Durability, Transparency, and Force, In which is communicated some valuable Secrets, particularly, A Method of preparing the Oils, So as to give them a strong drying Quality, perfectly limpid and colourless; A finishing Oil Varnish, And other useful Vehicles for every Branch of the noble and liberal Art of Painting, pointing out The valuable and pernicious Qualities of certain Colours, with a Recommendation of such as are known by long Experience to stand well. By an Artist, Who has been Thirty Years in incessant Observation and Practice.

Date:

1787