The dolomite lime lining of the converter turned in time into calcium phosphate, which could be used as fertilizer, known as Thomas-phosphate.

Solutions are checked for pH and cor- rected to neutral with agricultural lime, dolomite lime, or oyster shell lime.

Finely crushed dolomite lime stone, sieved sand and clay provided the bonding material for the bricks, the clay employed was pliable and thus accommodates movement within the structure.