Raffan s Mill and Brick Bottle Kilns WikipediaRaffan s Mill and Brick Bottle Kilns is a heritage listed lime kiln at Carlton Road Portland City of Lithgow New South Wales was built from 1884 to 1895 by George Raffan and Alexander Currie It is also known as Raffan s Mill and Brick Bottle Kilns Precinct Portland Cement Works Site Williwa Street property is owned by Boral Limited