Messiah Unitarian Church
      Chicago, Illinois
      Frank Roosevelt, Opus 506, 1891
      OHS ID: 8180
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      GREAT                      SWELL                   CHOIR
   16 Double Open Diapason*   16 Bourdon Treble/Bass*  8 Geigen Principal
    8 Open Diapason*           8 Open Diapason         8 Concert Flute
    8 Doppelflote              8 Stopped Diapason      8 Dolce
    8 Viola di Gamba           8 Salicional            8 Rohrflote
    4 Octave                   4 Gemshorn              2 Piccolo Harmonique
2-2/3 Octave Quint             4 Flute Harmonique      8 Clarinet
    2 Super Octave               Cornet III              Swell to Choir
    8 Trumpet                  8 Cornopean          
      Choir to Great           8 Oboe                    PEDAL
      Swell to Great             Tremulant            16 Open Diapason
      Swell to Great Octaves                           8 Bourdon
                                                       8 Violincello
    * unenclosed and in        * split knob; Bass is     Great to Pedal
      facade; all other Great    1-12.                   Swell to Pedal
      stops enclosed with                                Choir to Pedal
      Choir.

      Manual Compass: 58 notes          COMPOSITION PEDALS
      Pedal (flat) Compass: 30 notes    Swell #1 - 
      Great to Pedal Reversible         Swell #2 - retires all except Stopped Diapason
      Swell Expression Pedal            Great #1 - 
      Great & Choir Expression Pedal    Great #2 - retires all stops
      All couplers drawknobs centered   Full Organ - draws all stops, but no couplers
       above third manual               
      Bellows Signal drawknob           Tracker-pneumatic action, 3-1/2" wind pressure
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[Received online from T. Daniel Hancock, 2012-09-14]