3.2.1799 C Marsh, C Moore adv at Mackintosh's / Wed 20.2.1799 C Marsh C Moore at Mackintosh's lecture / Sat 23.2.1799 C Marsh, C M at Mackintosh's lecture / Sat 2.3.1799 C M, C M at Mackintosh ('s lecture)
The above sequence of entries must mean that one of the two C M entries on 2.3.1799 was for Charles Marsh see GDwebsite person record