- "S.F. Chapin" Stamped on Action (see photo).
- Exhausters located behind reservoir, accessible from the back panel.
- 1.5 rows of reeds (2 sets treble, 1 set bass).
- One of the soft stops includes a mute on a mute.
- Modular assembly, no tools to open the case and remove the action for servicing.
- Weight measured at 220 pounds.
- Reed width measured at 10.7 mm.
- Pitch A446.
- Reed dimensions: 0.423" wide x 0.088" thick.
- Date estimated based on other Uxbridge organs in database. No date found inside.

See link for more details:
https://dohertyreedorgan.blogspot.com/