Analysis of paint vehicles, japans and varnishes (1920)
Holley, Clifford Dyer · New York : J. Wiley ; London : Chapman & Hall · leaf 33
e water rheostat. The one used by the author is constructed as follows: An ordinary three- gallon stone jar is filled with a very dilute solution of sulphuric acid. The electrodes are of sheet lead, one being in the shape of an "L," which is stationary, the other triangular and suspended from a… … Heater- Ammeter Rheostat Fig. 3 temperature is controlled by lowering or raising the triangular electrode. The range of current for most thinners is from 2 amps, at the beginning to 3.5-4.0 amps, at the end of the distillation.
Paint · Japanning · Varnish and varnishing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
