"A heavy old Dutch clock, that stood in the corner of the room, began, and slowly struck twelve." (p.569)
Note 23: It was in this apartment, also that there stood against the western wall, a gigantic clock of ebony. Its pendulum swung to and fro with a dull, heavy, monotonous clang; and when its minute-hand made the circuit of the face, and the hour was to be stricken, there came forth from the brazen lungs of the clock a sound which was clear and loud and deep and exceedingly musical, but of so peculiar a note and emphasis that, at each lapse for an hour...
Source: Poe, Edgar Allan. The Masque of the Red Death. Baym, Nina, ed. Norton Anthology of American Literature. W. W. Norton & Company. New York, New York: 1998. (p.1543)