Complete assemblies of harps, tune them and screw the actions to the necks.
What does a Harp Regulator do?
Completes assembly of harps and tunes them: Screws action to neck, using handtools. Inserts tuning pins in neck. Knots each string between soundboard and tuning pin. Adjusts tuning pins and regulating disks to tune instrument, using handtools and electronic tuning device.