Paddy Maxwell chanter bore
Sam Farrar Kenna set chanter #1
Sam Farrar Kenna chanter #2
"McCullough, Belfast" chanter bore
Reamer #1 (flat, with handle), via gauge plate
Reamer #2 (D section), via gauge plate
Reamer #3 (5-sided 'polishing' reamer), via gauge plate
Reamer #4 (NPU collection), via gauge plate
Reamer #5 (bass regulator? NPU collection)
Results of reamer test 1
Results of reamer test 2
Bill Haneman