The industrial and artistic technology of paint and varnish (1904)
Sabin, Alvah Horton, 1851-1940 · New York : J. Wiley & Sons · leaf 213
introduced and through which, when desired, a current of it may be made to pass. It is obvious from the foregoing that there is no existing patent on the process, and while there is some patented apparatus which is preferred by some of the people who use the process, this is equally true of a very…
Paint · Painting, Industrial · Varnish and varnishing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.