The tank is further equipped with a wet steam coil and a coil arranged to allow thorough air agitation, both coils being of lead.
wet steam, of course, is steam that can be seen, through having been more or less condensed by contact with air or cold.
(c) wet steam and hot solutions of fluorine, boron or sulphur compounds may have effected the decomposition.
This is done by retaining the moisture first vaporized about the wood, by means of wet steam.
This is best done by boiling the oil for one hour with wet steam and 10 per cent.