First Church of Christ, Scientist
 Great Falls, MT
Opus 2794



Great (Enclosed)
8'  Open Diapason                     61
8'  Melodia                                61
8'  Dulciana                               61
4'  Flute Harmonic                     61
      Chimes                     (prep)   - -  
Great to Great 16'                         
Great Unison Off                          
Great to Great 4'                           
 
Swell (Enclosed)
8'  Stopped Diapason                   73
8'  Salicional                              73
8'  Vox Celeste                   (tc)   61
8'  Aeoline                                  73
4'  Flute d'Amour                         73
8'  Vox Humana                          61
Tremolo                                
 
Swell to Swell 16'                           
Swell Unison Off                            
Swell to Swell 4'                            
 
Pedal
16'  Bourdon                               30 
16'  Lieblich Gedeckt                  30 
8'   Bass Flute                           12
8'   Flauto Dolce                        12
 
Couplers
Swell to Pedal                           8,4
Great to Pedal                           8,4

Swell to Great                       16,8,4
  
Finger Pistons
General                                 1 - 4
Swell                                     1 - 3
Great                                   1 & 2
Pedal                                    1 & 2
  
Toe Studs
Gt. to Ped.                      reversible
Sforzando                       reversible
 
 
Pedal Movements
Expression                    balanced
Crescendo                     balanced


Action: Electro-Pneumatic primary & unit
 
Voices:  12
 
Stops:  14
 
Ranks:  12

Pipes:  742
 
 
Notes
The organ is an original installation. It is installed in a common chamber at the front, center of the room above the reader's platform. The console is placed in a separate room to the side of the auditorium, making it all but impossible for the organist to hear the balance and blend of the organ.

The Great chest is placed in front of the Swell chest, and the Pedal chests are diatonically divided on either side of the manual chests.
 
Oddly, the Pedal 16' Bourdon is marked with opus number 2151 which was a 1924, II-manual organ with player listed for the Lyon & Healy Studio in Chicago, IL. In 1937, it was enlarged by Estey as their opus 2798 to be a III-manual organ for the Presbyterian Church in LaGrange, IL.
 


Swell pipes


Great pipes, with Swell pipes in foreground

 
Sources
Estey opus list
Extant, altered organ
James R. Stettner

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