Mason & Hamlin reed organ, style 86 K.

The stops left to right:

Pedal Point
1.P. Diapason Dolce, 8 Ft.
7, Sub Bass, 16 Ft.
6, Eolian Harp, 2 Ft.
1, Diapason, 8 Ft.
3, Viola, 4 Ft.
3.P., Viola Dolce, 4 Ft.
V.H., Vox Humana
4, Seraphone, 8 Ft.
3, Flute, 4 Ft.
1, Melodia, 8 Ft.
5, Vox Celeste, 8 Ft.
O.K., Octave Coupler
1.P., Melodia Dolce, 8 Ft.
2, Clarionet, 16 Ft.
Automatic Swell.

The speaking stop names are in black, the mechanical stop names, the numerals, and the feet designations are engraved in red.