Located at Isle au Haut, Maine. Bass/treble break at keys 31/32, B/C. Pitch is A-445. Date found on Greenfield [MA] horse fair flyer glued to inside of exhauster. Fully restored by Mudfog Reed Organ Revival, Allen Myers, Brooklin, ME. Swell shade signed "Burditt Tuner", keys signed "Martin". Base Damper controls a separate swell shade covering the bass half of the reeds, within an outer swell shade extending the length of the reed board.