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 186
y be taken, the varnish is always impure and must therefore be clarified. This is effected by allowing the varnish to rest quietly in large bottles or metallic reservoirs in a fairly warm place, where there is no vibration. The clear liquid is decanted. Filtration. — But when very brilliant… … Fig. 8. — Resin Solution Apparatus. is hastened by using narrow linen bags as filters. These are securely tied to the mouth of the funnel and hang down into the reservoir itself. These bags, measuring about 12 inches broad by 30 inches deep, are enclosed in another envelope of coarse sacking, 8…
Drying oils · Oils and fats · Varnish and varnishing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
