Paints and varnishes, with special reference to their properties and uses (1919)
Jennings, Arthur Seymour · London, Pitman · leaf 86
73 MACHINERY USED IN PAINT MAKING action. The same plan is followed to-day with the addition of the lateral movement, and it is found that the actual grinding motion is greatly improved by this simple device. Some pigments are best dealt with … FIG. 3 SINGLE EDGE RUNNER by means of what is known as the edge runner, an example of which is shown in Fig. 3. Such a machine is used in making putty. There is provided on the inside of the pan a scraper which throws the putty toward the centre of the pan. In this case the weight of the runners…
Paint · Varnish
Internet Archive · Robarts - University of Toronto · Public domain (published before 1931). Free to use for anything.