constructing and mounting a porpax

[Giannis K. Hoplite]

Kineas,the examples are not so few. But you are correct in that there were some ways to do it. In fact,not ways,but types. One type is the all-covered-in-bronze shield with the rim. In that case there is no need to be a joint. The other two ways are the one-piece rim,where in fact there is the rim and there usually was a small part of the bowl covered just for an inch or something. There "should" be a joint,but not quite,as the ancientd didn't have ready bronze sheet,but they had to hammer it all in shape,thus a joint is not necessary. The third way is a bit more complicated to explain and far easier to make. There is a sheet of bronze covering the frontal part of the rim but not turning to cover the back. It is secured in place by another ring of bronze that is placed covering the back and is cut in triangles who bent to the front,securing both rings in place. Also do not forget that even the vatican shield that has a full bronze cover was secured by sever small nails in the back of the rim cover. As far as i remember the nails/rivets do not survive but the tiny holes on the bronze faceing do.
Khaire
Giannis