Originally Posted by
Fletch521
Also from the Ad:
tied and soldered spokes front-and-rear
Could someone explain the science of this to me?

Jobst Brandt and others have probably covered it. I think it was intended to make the wheels stiffer since the spokes have less freedom to flex but in practice it's been found to be a nit and it's gone the way of drillium.
PS, that is one nice mixte!