There were rooms to fill and appliances to purchase.
It is of comparatively recent foundation (1860), and is carried on largely with French and Belgian capital, with modern appliances and with modern scientific knowledge.
The system is economical in fuel, but needs skilled attendance to keep the appliances and fittings in order.
In order to separate the distillate into various fractions, and to remove as much of it as possible free from condensed steam, it is now usual to employ condensing appliances of special form with outlets for running off the different fractions.
The principles are the same as those applied to low-pressure work, but all fittings and appliances must, of course, be made to stand the higher strain to which they are subjected.