This photograph shows one of the knuckles held in place with a small pallion of solder on top of it ready for soldering. The photo below shows this repeated along the length of one side of the hinge;
The following photo shows the other side of the hinge after soldering;
Now, with both sides soldered, the moment of truth...will they fit together? Well, here's the finished product...What do you think?
So...now I can start work on tidying it up and then, on to the insides...