Set of four digital images of the Brill 21E truck for ESCo No. 12. First two at Harrybuilt Engineering 20-11-2024 and the two of the delivery to Ballarat are on 11/12/2024. All photos by Paul Mong. Yields information about the construction of the Brill 21E truck by Harrybuilt.Digital image of 4 colour photographs.tramcars, btm, brill 21e, tram 12, harrybuilt