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 305
29M VARNISHKS, iiicli in ihicknc'ss, and altlc to stiind a piessure of 4 or 5 atmospheres ; it is provided with a safety valve, blow-oflf cock, and a tap to run off condensed water. Process. — About 40 <,'allons of oil are run into the pan, the steam turned on, and wlien the pressure is suflicient… … Fig. 25. — Steam-Jacketed Pax with Agitator for Oil Boiling, etc. escape valve is regulated in such a manner that only the small quantity of spent steam, the rei)lacemont of which by superheated steam is necessary to keep the pan and contents at the desired refjulated temperature, is allowed to…
Drying oils · Oils and fats · Varnish and varnishing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
