Dials:  Beginning with the second half of the 18^th century porcelain dials are the rule.  (1750 and later)

Headpieces:   After the French revolution (1792-1795) many of the first repousee headpieces have the Roi Du Soleil Likeness (Louis the XIV) The early repousee headpieces are distinguished from the later ones by having been made in two pieces, which overlap, on the sides at the center.

Escapement:  Although the first Morbier clocks were made with the crown wheel escapement (also known as the verg escapement), there are a few early examples with anchor escapements.  The crown wheel continued to be used until approximately 1850.  After this time the anchor escapement is the rule.

Hands:  Cast brass, engraved (1800-1840)
             Cast brass, cut (1840-1900).

Pendulums:  Folding rod, brass bob, 4" to 6" in diameter (1750 - 1840).
                       Lyre and Repousee (1840 to 1900).

Pendulum Suspension:  Up to the 1800's the pendulum suspension is positioned in the back of the clock cage.  From the 1800's and on the suspension is moved to the front of the clock cage.

Large Détente (Striking Activator):  Up to approximately 1800 the large détente is activated by a spring which is attached to the right back post of the clock cage.  From the 1800's on the spring is replaced with a single or double counterweight.