OK and thanks for the pics .
There seems to be little information about on cold spring resetting.
I found this:
http://redcliffesprings.com.au/springs-suspension
The other method in use is to bend with a cheap hydraulic pipe bender . You bend each leaf individually, similar to hammering . Mark out with chalk on the floor, the camber you started with and use this as a guide .
I reset a series 1 land rover rear spring with a cheap pipe bender . On the UK LR forum a guy objected , writing that it would not be a effective fix
.
I'm not sure if Jacob spring works in Oakleigh, Melb. is still there
I read somewhere that spring steel has a 'memory' . The hammering process disrupts the molecules and they go back to their original position.