Foto: John Salmon © 2009
In 1926 bouwde de firma Henry Willis & Sons een nieuw drieklaviers elektro-pneumatisch kegelladen-orgel met gedecoreerde frontpijpen en een radiaal concaaf pedaalklavier voor de Church of the Immaculate Conception in London (Mayfair).
Dispositie:
Great: C – c4 Double Open Diapason 16′, Bourdon 16′, Open Diapason no.1 8′, Open Diapason no.2 8′, Clarabella 8′, Stopped Diapason 8′, Principal 4′, Flûte Octaviante 4′, Fifteenth 2′, Mixture 3 ranks (17.19.22), Sharp Mixture 3 ranks (22.26.29), Trompette Harmonique 8′, Clarion 4′.
Choir: C – c4 Flûte Harmonique 8′, Viola 8′, Saxophone 8′, Dulciana 8′, Flauto Traverso 4′, Nazard 2 2/3′, Piccolo 2′, Tierce 1 3/5′, Tuba Minor 8′, Clarinet 8′, Tremolo.
Swell: C – c4 Lieblich Bourdon 16′, Geigen Diapason 8′, Rohr Flûte 8′, Spitz Flöte 8′, Echo Viole 8′, Voix Céleste 8′, Octave Geigen 4′, Flûte d’Echo 4′, Piccolo 2′, Plein Jeu 3 ranks (15.19.22), Waldhorn 16′, Trumpet 8′, Oboe 8′, Clarion 4′, Tremolo.
Pedal: C – g1 Resultant Bass 32′, Open Bass 16′, Open Diapason 16′, Sub Bass 16′, Bourdon 16′, Octave 8′, Flûte 8′, Superoctave 4′, Octave Flûte 4′, Trombone 16′, Trombone 8′.
Koppelingen: Choir to Great, Choir to Great Octave, Choir to Great Suboctave, Swell to Great, Swell to Great Octave, Swell to Great Suboctave, Swell to Choir, Swell to Choir Octave, Swell to Choir Suboctave, Great to Pedal, Choir to Pedal, Choir to Pedal Octave, Swell to Pedal, Swell to Pedal Octave, Choir Octave, Choir Suboctave, Choir Unison Off, Swell Octave, Swell Suboctave, Swell Unison Off.
Speelhulpen: 6 combination pedals for each manual, 6 general combinations, Full Organ.