Edward Exshaw began publishing the Dublin edition of the 'London Magazine' in 1741. He was joined by his son John in 1745 and upon Edward's death in 1748 his second wife, Sarah, joined the partnership. The map of Surrey was published in March 1750, the same month in which the London edition was issued. A very rare map. Hodson (1984-97) II Appendix I no. 2 pp. 175-9.