Industrial and artistic technology of paint and varnish (1927)
Sabin, Alvah Horton · New York,: J. Wiley & Sons, Inc.; London,; Chapman & Hall, limited · leaf 487
451 CONCLUSION. Z) is of brass wire, woven to a brass ring which rests in the coni- cal upper extremity of the tube. The upper part of the furnace is tilled with charcoal; the copal, in pieces not larger than a nut, on the wire net. The lower end of the tube C is immersed about \ in. in water… … may contain oil, kept hot by setting the capsule on a plate of hot iron, in which case the melted resin will be at once dissolved by the oil, which will also collect the products of distillation, or such parts as can be liquefied. The laboratory furnace, A B, is 17^ ins. in total height, the…
Paint · Varnish and varnishing
Internet Archive · University of Florida, George A. Smathers Libraries · Public domain (published before 1931). Free to use for anything.
