London and Malta, April 2012

These are sieves, to separate the output of the mills into eight different size particle. They are shaken side to side when in operation, and eight different size particles come out openings in the bottom.
These are sieves, to separate the output of the mills into eight different size particle. They are shaken side to side when in operation, and eight different size particles come out openings in the bottom.
April 27, 2012
Edgar Durbin