Our Lady and St. Rochus Boom, Belgium Installation David E. Wallace, 2009 E & G.G. Hook Opus 173, 1854 GREAT (56 notes) 8 Open Diapason 8 Open Diapason (not originally installed) 8 Melodia treble (TF) 8 St. Diapason Bass (17 notes) 4 Principal 2-2/3 Twelfth 2 Fifteenth Sesquialtera III 8 Trumpet Treble (TC) 8 Trumpet Bass (12 notes) SWELL (56 notes; 1-12 permanently coupled to Choir) 16 Bourdon (TC) 8 Op. Diapason (TC) 8 Viol di Gamba (TC) 8 St. Diapason (TC) 4 Principal (TC) Cornet II (TC) (12th & 15th no breaks) 8 Trumpet (TC) 8 Hautbois (TC) Tremulant CHOIR (56 notes) 8 St. Diapn Treble (TF) 8 St. Diapn Bass (17 notes) 8 Dulciana 8 Viol d'Amour 4 Principal 4 Wald Flute 8 Cremona (original removed in the 1890's) PEDAL (20 notes) 16 Double Op. Diapason 16 Bourdon COUPLERS Sw to Gr Sw to Ch Ch to Gr sub 8vs Gr to Pedals Ch to Pedals Bellows signal Balanced Swell Pedal [Recieved online from T. Daniel Hancock, 2012-04-10]