he most important part of an organ is the pipework and over the centuries, little has changed in its construction. The choice and exact composition of the alloys used for the various kinds of pipes must take into account the tonal character of the stop and the structural integrity of the pipe. After the metal is cast, it is hammered or hand-planed before being cut, formed and soldered into the final pipe.
Trent Buhr and Dean Wilson casting sheets of 90% tin