This stage covers the modifications to the bass action. The new bass plate fitted in place after marking out and drilling 12 holes on a rectangular grid.   The holes are reamed to about 10mm to accommodate an 8mm button and .9mm bushing of woven felt.  The holes are slightly conical getting larger towards the inside [...]

This project to convert an 8 bass Hohner Preciosa to 12 bass by uniting the treble side of a Hohner Preciosa with the bass side from a Hohner Regina piano accordion.  here are the two boxes at the start of the project. Fortunately the bellows are identical so its very quick to do this: But [...]

Done a few years back this is a sequence of photos that documents the restoration of a mahogany ended 30 button anglo that had many common woodwork defects. These had to be put right before there was a chance it would play properly.