Physical description
Black and white photograph of the "new" and "old" tramway emergency vehicles side by side at South Melbourne depot - would appear the new vehicle is being fitted out and equipment possibly being transferred. Shows the registration numbers of the vehicle. These are known by their radio call signs R10.
See Winter 1981 Metra News for the story behind the photo - Reg Item 1026.5 Reference added 17-9-2015.
See also Reg Item 2528 for another photo, possibly done at the same time and 6731 for a photo without people of equipment.