57 (Lowland) Medium Regiment RA (TA) was re-designated from 57 Medium Brigade with two batteries in November 1938. The Regiment was converted to 51 (Lowland) Heavy Regiment RA (TA) in September 1939 with four batteries.
|Nov 38||Home Forces||Edinburgh, UK|
|Sep 39||Became 51 Heavy Regiment|
|Nov 38||225, 226 (City of Edinburgh)|