LOADING 127
of the clay. The bottoms of the chests and shutes are not filled with loading,
and lastly the centrifugal machines are not rapidly filled with large quantities
of loading in the bolsters. This method of adding loading gives much greater
control over the quantity, and the amount being carried in the paper can be
altered in a minute or so instead of having to wait for another engine, or a
chest of stuff to be worked out.