Note 3 — XXII
Reading edition
In China an oil is procured from the seeds of vernicia montana, which, by the addition of alum, litharge, and steatite, with a gentle heat, easily forms a valuable varnish which, when mixed with resin, is employed in rendering the bottoms of vessels watertight. P. Champion, Indust. Anc. et Mod. de l’Emp. Chinois.” 114.