Friend, J. Newton (John Newton), 1881-1966 · London, New York : Longmans, Greens · leaf 141
d assumes a dark-red colour, the higher the tempera¬ ture the more intense being the colour. The quantity and composition of the driers have also a marked influence on the colour, and manganese di-oxide produces a darker oil than any other drier. I shall have something more to say a little later,… … fumes escaping from the oil leave the boiler through the flue (see Fig. 14). A current of air is next blown through the liquid, and causes a good deal of frothing. After the driers
Paint · Chemistry, Technical
Internet Archive · Harold B. Lee Library · Public domain (published before 1931). Free to use for anything.
