Table 1.

Analysis of visitations by decade 1724–1754

Years	Number of visitations	Number of premises visited (average per visitation)
1724–1734	37	791 (21)
1734–1744	22	384 (17)
1744–1754	18	325 (18)
1756–1757	4	56 (14)

At this period the Julian Calender, with New Year's Day 25 March, was in use. From Visitation of Apothecary, Chymist and Druggist Shoppes, College of Physicians of London, in three volumes: Vol. 1 1724–1731; Vol. 2 1732–1747; Vol. 3 1748–1754. The final volume also contains records of four visitations for 14 April 1756, 21 June 1756 and 10 August 1756, at which William Heberden was one of the four Censors, and the last recorded visitation of 9 June 1757.