Oklahoma City, Oklahoma St. Luke's United Methodist Church Organ by J. W. Walker (1991) MANUAL 8' Stopped Diapason Bass 8' Stopped Diapason Treble 4' Gemshorn (Tenor C) 4' Chimney Flute Bass 4' Chimney Flute Treble 2' Principal Bass 2' Principal Treble 1 1/3' Nineteenth Bass 1 1/3' Nineteenth Treble 1' Twenty Second Bass 1' Twenty Second Treble