Above: East Liverpool potters made this mocha ware porcelain during the second half of the 19th century. This covered sugar sold for $550 at Garth's. Pottery and porcelain production has always been about science, and, at one time, the most advanced technology a potter possessed was a handwritten ledger of formulas and techniques. During the 19th century, East Liverpool was at the heart of America’s porcelain production. Check out this month's column featuring Fascinating Obj