Oil colours and printers' inks : a practical handbook treating of linseed oil, boiled oil, paints, artists' colours, lampblack and printers' inks, black and coloured (1903)
Andés, Louis Edgar, 1848-1925 · London : Scott, Greenwood ; New York : D. Van Nostrand · leaf 123
OIL COLOURS AND PRINTERS’ INKS. 108 at least is always ventilating while the way through the other is closed by the throttle-valve so that there is no air current through it. In order that it may be seen whether the flannel filters are acting properly, a vacuum gauge if/ is fitted on the cover of… … from the filters may be arranged to take place at any desired intervals. The two draw-off pipes t and t1 are connected with the exhauster, and if more than one of the pieces of apparatus described is used the draw-off pipes of each are connected by elbows with a common main L which proceeds to the…
Pigments · Varnish and varnishing · Printing ink
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
