JULIAN RHODES' DREAM ORGANS
THE GEORGE DIXON ARCHIVE



Johannesburg Town Hall, South Africa
Organ designed by Alfred Hollins 1913
Built by Norman & Beard 1914



PEDAL
    32       Double Open Diapason        wood
    16       Open Diapason               metal
    16       Great Bass                  wood
    16       Open Diapason               wood; ext. 32ft.
    16       Violone                     Great 16ft.
    16       Contra Bass                 Swell 16ft.
    16       Bourdon                     wood; Great 32ft.
    16       String Bass                 Orchestral 16ft.
    16       Contra Salicional	         Choir 16ft.
     8       Principal                   ext. 16ft. Open Diapason metal
     8       Octave                      wood; ext. Great Bass 16ft.
     8       Flute Bass                  wood; Great 32ft.
     4       Super Octave
     V       Harmonics  12.17.19.21.22   in Solo box
    32       Contra Bombarde
    16       Ophicleide                  ext. 32ft.
    16       Trombone                    Bombarde 16ft.
    16       Saxophone                   Solo Corno di Bassetto 16ft.
     8       Posaune                     ext. 32ft.
     4       Harmonic Clarion            ext. 32ft.
             Choir to Pedal
             Great to Pedal
             Swell to Pedal
             Solo to Pedal
 
CHOIR (unenclosed)
    16       Contra Salicional
     8       Bell Gamba
     8       Spitzflöte
     8       Waldflöte                    wood; open throughout
     4       Gemshorn
     4       Flauto Traverso
     2       Gemshorn
    III      Dulciana Cornet  12.15.17
     8       Cornopean
             Swell to Choir
             Solo to Choir
             Orchestral to Choir
             Bombarde to Choir
 
GREAT
    32       Sub Bordun  tc                wood
    16       Contra Geigen
    16       Contra Hohlflöte              wood
     8       Large Open Diapason
     8       Medium Open Diapason
     8       Small Open Diapason
     8       Geigen
     8       Claribel Flute                wood
     8       Stopped Diapason              wood
     4       Principal
     4       Octave Geigen
     4       Waldflöte                     wood, triangular
    II       Sesquialtera  5.10
    2 2/3    Twelfth
     2       Fifteenth
   IV-V      Harmonics  17.19.21.22
     8       Tromba
     4       Octave Tromba
             Choir to Great
             Swell to Great
             Solo to Great
             Orchestral to Great
             Bombarde to Great
 
SWELL
    16       Contra Gamba
     8       Open Diapason
     8       Cor de Nuit
     8       Gamba
     8       Voix Célestes
     4       Octave Gamba
     4       Suabeflöte                   wood
     2       Super Octave Gamba
    VI       Mixture  12.15.17.19.21.22
     8       Horn
     8       Oboe
     8       Vox Humana
    16       Double Trumpet
     8       Trumpet
     4       Clarion
             Tremulant
             Octave
             Solo to Swell
             Orchestral to Swell
             Bombarde to Swell
 
SOLO
     8       Violoncello
     8       Salicional
     8       Vox Angelica  AA
     8       Harmonic Flute
     4       Concert Flute
     2       Harmonic Piccolo
    16       Corno di Bassetto
     8       Clarinet
     8       Tuba
             Tremulant
             Suboctave
             Octave
             Orchestral to Solo
             Bombarde to Solo
 
ORCHESTRAL (own enclosure)
    16       Contra Viola
     8       Viole
     8       Viole Célèste               2rks. to FF
     4       Viole Octaviante
    III      Viole Cornette  10.12.15
    16       Quintaton                        wood & metal
     8       Harmonic Claribel Flute          wood
     8       Zauberflöte                      wood; harmonic gedeckt
     8       Unda Maris  tc                   flute celeste
     8       Lieblich Gedeckt
     4       Orchestral Flute                 wood
     4       Lieblich Flöte
     2       Lieblich Piccolo
    16       Cor Anglais
     8       Clarinet                         smaller scale than on Solo
     8       Orchestral Hautboy
     8       Orchestral Trumpet
             Carillon 8ft.
             Glockenspiel 2ft.
             Tremulant
             Suboctave
             Octave
             Unison off
 
BOMBARDE (enclosed in Solo box)
    32       Contra Trombone  tc
    16       Trombone
     8       Harmonic Horn
     8       Trompette Harmonique
    5 1/3    Horn Quint
     4       Clarion
   VI-VII    Grande Fourniture  12.15.19.22.26.29
 
PERCUSSION (by rocking tablets)
     -       Bass Drum tap (on each pedal key)
     -       Side Drum tap (on each pedal key)
     -       Side Drum roll
     -       Triangle (on each pedal key)
     -       Carillon dampers
 
Combination thumb pistons:  4 to Choir (1 adjustable)
                            8 to Great (2 adjustable)
                            7 to Swell (2 adjustable)
                            5 to Solo (2 adjustable)
                            7 to Orchestral (in Choir key-slip; 2 adjustable)
                            3 to Bombarde (1 adjustable)
Key-touches:  7 to Orchestral (over Solo keys, duplicating pistons; 2 adjustable)
Pedal combination pistons:  8 to Pedal (1 adjustable)
 
Reversible thumb pistons:  Great to Pedal, Swell to Great, 
                           Solo to Great, Ophicleide 16ft.
Reversible pedal pistons:  Great to Pedal, Swell tremulant, 
                           Solo tremulant, Orchestral tremulant.
Pedal pistons: 1 to add Solo to Great and Tuba.
               1 to take off Solo to Great and Tuba.
Rocking tablets:  Great pistons and Pedal combinations.
                  Choir pistons and Pedal combinations.
                  Swell pistons and Pedal combinations.
                  Orchestral pistons and Pedal combinations.
 
Balanced expression pedals:  Swell; Solo and Bombarde; Orchestral.
 
Balanced crescendo pedal acting on Great, Bombarde and Pedal stops
                                     and Bombarde to Great coupler.
 
Compass: 32/61.
 
Tubular-pneumatic action throughout, except Pedal couplers (mechanical).
 
Wind pressures: Pedal - flues 4in. to 6in.; Harmonics 8in., reeds 16in.
                Choir - 4in.
                Great - flues 4 1/2in.; Large Open Diapason and reeds 8in.
                Swell - flues and light reeds 5in.; 
                        Open Diapason and chorus reeds 8in.
                Solo  - 8in. except Tuba 16in.
                Orchestral - 6in.
                Bombarde - 12in.

SOURCE
Builders' leaflet; also an article in 'The Organ' quarterly, April 1935, which gives the pedal 32ft. flue as "Double Open Wood" and the 16ft. wood Open Diapason as "Open Wood".





Back to Dixon's essay on Tonal Structure
Back to the George Dixon index
Back to the index of organ stoplists & designs
Back to the front page of the website