Josiah Spode I is credited with the introduction of underglaze blue transfer printing on earthenware in 1783-84.Designs in a range of colors including black, red, and lilac were produced.  To adapt the process from the production of small porcelain teawares to larger earthen dinnerwares required the creation of more flexible paper to transmit the designs from the engraved copper plate to the biscuit earthenware body, and the development of a glaze recipe that brought the color of the black-blue cobalt print to a brilliant perfection. Spode was recently acquired by Portmerion and have recommenced the production of classical English blue and white porcelain.