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 292
280 VARNISHES. desired to start to boil a fresh batch the oil is run into a sheet-iron or galvanised-iron reservoir. Although this is a very simple arrangement, it has the great drawback that the pot full of hot oil has to be lifted down from the top of the furnace, thus greatly enhancing the risk… … Fig. 20. — Plant for Oil Boiling by Naked Fibe. 2. To remedy these inconvenient defects a furnace built in a framework of masonry is used. This furnace is covered with an iron plate, with a circular hole into which the pot fits. More often, however, the fire is underground, thus en- abling the…
Drying oils · Oils and fats · Varnish and varnishing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-28-6.webp)
