Unknown Builder (1939) Perkins School for the Blind Watertown, MA GREAT: 16' Diapason 8' Principal 8' Flute 4' Octave 4' Flute 2 2/3' Twelfth * 2' Fifteenth * III Mixture * 8' Trompette 4' Clarion Chimes CHOIR: 8' Geigen 8' Concert Flute 4' Principal * 4' Flute 2' Octave 1' Sifflote * II Sesquialtera * 8' Cremona * Chimes Tremolo GALLERY: 8' Gt. Diapason 8' Gt. Gedeckt 8' Gt. Gemshorn 4' Gt. Flute 4' Gt. Gemshorn 4' Gt. Octave and Mixture 8' Sw. Geigen Principal 8' Sw. Gedeckt 8' Sw. Gamba 8' Sw. Gemshorn Celeste 4' Sw. Harmonic Flute 8' Sw. Trumpet 8' Sw. Oboe Tremolo SWELL: 16' Bourdon 8' Principal 8' Rohrflote 8' Viola * 8' Viola Celeste * 4' Octave 4' Triangle Flute 2 2/3' Twelfth * 2' Blockflote * III Mixture II Cymbal * 16' Fagot * 8' Rohr Shalmei * 8' Trumpet 4' Clarion Tremolo PEDAL: 16' Diapason 16' Diapason (GT) 16' Bourdon 16' Echo Lieblch (SW) 8' Octave 8' Gedeckt 8' Still Gedeckt (SW) 4' Flute 16' Trombone 8' Tromba Chimes GALLERY PEDAL: 16' Diapason 16' Gemshorn * = changes