"  A Nod to New Zealands Coach Building Industry -1947 Mercury Ambulance - Built by a Coachbuilder in Timaru with the built in Sag (note the perfect roof line) by the chassis being cut and lengthened into a very shallow Vee shape — the front tilted down slightly, the rear tilted up slightly. This was done to give a lower back end to make the loading of patients on stretchers easier.