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 293
281 OIL UOlLINd I'OTS. A rather diffeieiit kind of pot (Fig. '21) is used to that illustrated in Fi{^. '20, and so constructed that the oil does not receive throu<,'hout its whole mass and at the outset the heat stored up in the hrickwork. To ohviate this the pan of about *20 to 22 gallons… … Fig. 21.— Oil Boilinu Pot. A, B. Flue and Chimnctj Stalk: C, Plate on which Lu<i of Pot rests. base, so that the bottom only is e.xposed to tlu' action of the heat. Otherwise the process is conducted in the same way as before, only the oil is heated a little longer, say, four hours instead of…
Drying oils · Oils and fats · Varnish and varnishing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
