 In 1831, Wat was engaged by the London Missionary Society as a Native Assistant and, in 1833, he is noted as having regularly attended Morrison's daily meetings.There are unclear references to some long-standing dispute between Wat and Liang that was eventually resolved; they worked together in Malacca and again to continue the mission with another native worker after Morrison's death in 1834.In the early 1830s, Morrison's son John trained Wat to use the mission's recently imported Albion press and in the art of lithography, which reduced the effort, time, and expense of printing.