He headed the business and his family interest was not bought out until 1848 .
Lewis was the partner who arranged the mineral leases and construction of the new ironworks : the works were carried out by his business , Thomas Lewis & Co .
Lewis headed the business and Lewis ' family interest was not bought out until 1848 .
Lewis was the partner who arranged the mineral leases and construction of the new ironworks : the works were carried out by his business , Thomas Lewis & Co .