Datei:Guilmet, French Variegated Grey-marble and Gilt-Metal and Bronze Mystery Clock., circa 1885 (3).jpg

Guilmet, French Variegated Grey-marble and Gilt-Metal and Bronze Mystery Clock. Number 328. Circa 1885. The grey and black variegated marble case has a stepped base with gilt-bronze mounts that include lions to the side, a cast bezel and animal feet. Above a gilt-metal statue of a nymph and Cupid supports the pendulum. The case, along with all the mounts and statue, bear the case number '378'. The circular ormolu dial has Roman numerals for the hours on a smooth chapter ring, an engine-turned center and steel Breguet-style hands. The circular eight-day time and strike movement is signed and numbered by Guilmet, 'GLT' in an oval and '328'. The obvious mystery is why does the pendulum move? There is no apparent connection between it and the movement so what keeps it going? The answer is quite ingenious. The gilt-bronze platform on which the statue stands oscillates side to side, thus imparting impulse to the pendulum. The platform is supported by an adjustable arbor that is pivoted top and bottom within the case. Perpendicularly screwed to that arbor is another arm that engages the patented escapement mounted on the front end. As the polished tip of that arm gets pushed over by the escapement it rotates the platform and swings the pendulum. The length of the pendulum, like all clocks, controls the rate of the clock. The platform and statue move so little that it is difficult to see without magnification. For a more detailed discussion on Mystery clocks see: 'Mystery, Novelty & Fantasy Clocks' by Derek Roberts, pg. 241. Sundial Farm Antique Clocks Ltd.’

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