The manufacture of varnishes : oil crushing, refining and boiling and kindred industries : describing the manufacture and chemical and physical properties of spirit varnishes and oil varnishes, raw materials, resins, solvents and colouring principles, drying oils, their extraction, properties and applications, oil refining and boiling, the manufacture, employment and testing of various varnishes (1899)
Livache, Ach. (Achille), M'Intosh, John Geddes · London : Scott, Greenwood · leaf 335
de of <rhiss so that the action of Kiiiih<,'ht may intervene with the view of stimulatin',' oxidation and bleaching' the oil ; tlie other two faces are made of perforated sheet zinc ; throufjh one of these faces air enters, tlie whole way up the column, and passes out through the other, hut owinf,'… … least of that material, and in which an arrangement of par- titions causes a current of air to tlow against one of the perforated zinc faces and to force its way through the oppo- site. This current should not be too strong, but yet strong enough to constantly renew the air in contact with the oil.…
Drying oils · Oils and fats · Varnish and varnishing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
