Hongkong Tramways Ltd, Rules Regulations & Instructions for Inspectors, Motormen conductors and other Traffic Department Employees, 1928, 43pp + Chinese text, foldout plan of car, destitched, sellotaped h/b, the original of my reprint,

ACV Regal Mark III passenger chassis (type 9621E), General information & data, engine, clutch or fluid flywheel, gearbox, propeller shafts, steering gear, axles, suspension, brakes, radiator, silencer, fuel system, electrical equipment, oil seals, taper fits, tyres and wheels, pedal gear, lubrication, maintenance equipment, numerous illustrations with some colour,