Groton School – St. John's Chapel

Builder:        Aeolian-Skinner Organ Co., Inc.
   Year:        1935-1962
   Opus:        936
   
No. manuals:    3
No. stops:      81
No. ranks:      92
No. pipes:      5,336

There were many alterations and additions by the company from 1945 to 1962, including relocating the console, tonal additions, alterations and revoicing. The Processional organ was relocated to the console's former niche. Here is an overview of the company's work thru 1962:

         GREAT ORGAN
     16' Sub Principal          61
      8' Diapason               61
      8' Principal              61
      8' Flute Harmonique       61   (replaced by ex-PO 8' Rohrflöte)
      8' Gemshorn               61
  5 1/3' Grosse Quinte          61
      4' Octave                 61
      4' Principal              61
  3 1/5' Grosse Tierce          61   (replaced by 4' Flute Couverte)
  2 2/3' Quinte                 61
      2' Superoctave            61
  1 3/5' Tierce                 61   (replaced by ex-PO 2' Blockflöte)
     IV  Full Mixture          244   (reworked as IV Sesquialtera)
     IV  Fourniture            244
    III  Cymbel                183   (replaced by ex-PO III Scharf reworked)
      8' Bombarde               73   (later addition)
 
         SWELL ORGAN
     16' Flute Conique          73
      8' Geigen                 73
      8' Gedeckt                73
      8' Viole de Gambe         73
      8' Viole Celeste          73
      8' Flauto Dolce           --   (from 16' Flute Conique)
      8' Echo Viole             73   (replaced by Flute Cel 54 GG)
      4' Octave Geigen          73
      4' Flute Triangulaire     73   (replaced by ex-GT 4' Flute Oct)
      4' Fugara                 73
  2 2/3' Nazard                 61
      2' Fifteenth              61
  1 3/5' Tierce                 61
     VI  Plein Jeu             366   (divided into III Mixture with one new rank 183 and IV Plein Jeu 244)
     16' Bombarde               73   (replaced in kind)
      8' Trompette I            73   (replaced in kind)
      8' Trompette II           73   (replaced by Hautbois)
      8' Vox Humana             61
      4' Clarion                73   (replacedl by ex-CH 8' Tromp Harm)
         Tremolo
      8' Gedeckt - Processional in choir vestibule, eliminated
      8' Viola - Processional in choir vestibule, eliminated
 
         CHOIR ORGAN
     16' Quintaton              73
      8' Viola                  73
      8' Orchestral Flute       73
      8' Dulciana               73
      8' Unda Maris (TC)        61
      4' Lieblich Flute         73   (replaced by 4' Nachthorn)
      2' Zauberflöte            61
     16' English Horn           73
      8' Trompette Harmonique   61   (replaced by ex-SW Trompette II)
      8' Clarinet               73
      4' Rohrschalmei           73   (later addition)
         Tremolo
      8' Bombarde               GT   (later addition)
      8' Gedeckt               PRO   (eliminated)
      8' Viola                 PRO   (eliminated)
 
         POSITIF ORGAN
      8' Rohrflöte              61   (replaced by 8' Singendgedeckt)
      4' Principal              61
      4' Koppelflöte            61
  2 2/3' Nazard                 61
      2' Blockflöte             61   (replaced by 2' Principal)
  1 3/5' Tierce                 61   (reworked)
      1' Sifflöte               61   (shifted to 1 1/3' Larigot)
     IV  Scharf                244   (replaced by IV Cymbel)
 
         PEDAL ORGAN
     32' Contrebasse            12
     16' Principal              32
     16' Contrebasse            32
     16' Bourdon                32
     16' Flute Conique          SW
     16' Quintaton              GT   (later addition)
 10 2/3' Grosse Quinte          32
      8' Octave                 32
      8' Flute Ouverte          32
      8' Cello                  12
      8' Gedeckt                SW
  5 1/3' Quinte                 32
      4' Super Octave           32
      4' Flute Harmonique       32   (harm portions of pipe cut off)
      4' Gedeckt                SW
      2' Waldflöte              32   (later additions)
    III  Mixture                96
    III  Fourniture             96
     16' Bombarde               32
     16' English Horn           CH
      8' Trompette              32
      4' Clairon                32
         Processional
 

Source: Allen Kinzey