257 in place of the usual copper-walls, worked by a powerful engine , are used for rapidly concentrating the juice from its original density to 1,150 and 1,200 s.g.
SUGAR.  257 in place of the usual copper-walls, worked by a powerful engine , are used for rapidly concentrating the juice from its original density to 1,150 and 1,200 s.g.  The absence of syrup-tanks is a noticeable feature in this factory, rapid concentration being the order of the day.