grandfather clock

Clock with a pendulum that is operated by weights and housed in a tall (usually over 2 m high) straight body, which stands upright on the floor.

dial

Graduated face over which the hands move to indicate the time.

hour hand

Metal needle that points at the 24 hours of a day on the dial.

body

Usually wooden box that houses and protects the clock’s mechanism.

pediment

Set of decorative moldings that surmount the clock.

minute hand

Metal needle that points at the 60 minutes of an hour on the dial.

plinth

Base that supports the clock and makes it stable.

chain

Series of interlaced rings to which weights are attached.

pendulum

Unit whose regular swinging motion controls the workings of the clock’s mechanism.

weight

Heavy body that hangs from the main wheel; its descent provides the necessary energy for the clock’s mechanism.

Moon dial

Face divided into 29 1/2 days that is represented by a moon whose movement indicates the phases of the Moon: first quarter, full moon, last quarter, new moon.