The system can be found on the organs of Gloucester Cathedral, having been added by Nicholson & Co (Worcester) Ltd/David Briggs and Truro Cathedral, having been added by Mander Organs/David Briggs, as well as on the new nave console of Ripon Cathedral.
The system is located on the organs of Gloucester Cathedral, which was installed by Nicholson & Co (Worcester) Ltd/David Briggs and Truro Cathedral, which was installed by Mander Organs/David Briggs, as well as on the new nave console of Ripon Cathedral.