After the death of the surgeon Harry Goldney on the Randolph in 1849, Walter Lawrence was appointed Acting Surgeon to take Goldney's place. He joined the vessel in that capacity at Simon's Bay.
Naval Appointments
His other naval appointments included the following:
Appointed Assistant-Surgeon to the Amazon in 1844 [1]
Appointed Assistant Surgeon to the Excellent in 1848 [2]
Appointed additional Assistant Surgeon to the Portland at Devonport in 1850[3]