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 190
178 VARNISHES. of the vessel destined to receive the filtered varnish ; a lateral tube carries the air displaced in the receiving vessel up into the space vacated by the filtered varnish in the reservoir containing the varnish to be decolorised. There is thus no loss of solvent during filtration. … Fig. 10. Coloured Spirit Varnishes, Spirit Varnish Stains. In the manufacture of coloured varnishes the colouring matter is added to the finished varnish. If the colouring principle be soluble it is added in the state of solution, preferably in the same solvent as used for the resin. These coloured…
Drying oils · Oils and fats · Varnish and varnishing
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