Georgian Mahogany Moon Clock
A georgian mahogany moon clock combines dependable timekeeping with the intricate mechanics of a rolling lunar dial housed in a tall timber case.
Georgian Mahogany Moon Clock
A georgian mahogany moon clock is a tall floor-standing timepiece, frequently termed a longcase or grandfather clock, designed to track both the time of day and the phases of the moon. The examples found here span the eighteenth and nineteenth centuries, originating from various regional makers across Britain.
The primary form involves a substantial timber trunk enclosing weights and a pendulum, surmounted by a dial face protected by glass. Many of these pieces integrate mahogany or flame mahogany veneers, sometimes combined with oak carcases and decorative inlay.
Buyers encounter regional variations ranging from early Georgian penny moon dials to later Victorian rolling moon mechanisms. Each piece reflects the specific mechanical and aesthetic preferences of its maker and location of origin.
How they were made
The cases combine solid timber and veneers, predominantly employing mahogany, flame mahogany, and occasionally oak for structural elements. Brass and glass components protect the dial, while painted iron provides the substrate for the detailed lunar and time displays.
Inside the case, brass and steel drive the eight-day or rolling moon movements. Skilled artisans cut and fitted these gear trains by hand to ensure the delicate synchronization between the timekeeping hands and the rotating moon disc.
Georgian Mahogany Moon Clock Retail Price Guide 2026
Typical asking prices for georgian mahogany moon clock among the pieces listed under this phrase on Sellingantiques today, from the lower quarter to the upper quarter. They describe what is for sale here now, not the wider market.
What varies in quality
The distinction between standard and superior pieces rests on the execution of the dial painting and the complexity of the movement. Master dial painters achieved remarkable depth and detail on the moon phase discs, while lesser dials appear flat and formulaic.
Cabinetwork also separates the tiers of production, seen in the selection of figured mahogany veneers and the precision of the inlay. Cases constructed with carefully matched timber grains and refined proportions represent the upper echelon of provincial clockmaking.
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The Georgian Mahogany Moon Clock Glossary
- Moon phase
- A mechanical display that tracks the synodic month by rotating a painted disc behind two arched cutouts on the dial. This mechanism provides a visual guide to the lunar cycle.
- Rolling moon
- A specific movement configuration where two painted moons turn on a roller mechanism to depict the lunar phases. It offers a more dynamic visual than simpler fixed representations.
- Penny moon
- An early form of lunar display featuring a single painted moon peeking through a semicircular aperture. This simpler layout predates the double-hemisphere rolling moon dials.
- Longcase clock
- A freestanding weight-driven timekeeper with a pendulum, commonly known as a grandfather clock. The tall wooden trunk protects the suspension and provides the drop for the drive weights.
- Flame mahogany
- A veneer cut from the branch junction of the mahogany tree, displaying a distinctive feather-like grain pattern. Cabinetmakers reserved this decorative wood for the most prominent surfaces of the case.
Georgian Mahogany Moon Clock: Frequently Asked Questions
How do I set the moon phase?
The moon phase mechanism advances automatically with the clock movement, but you can adjust the disc independently using a small finger hole or a dedicated setting arbor on the dial face.
Consult a local lunar calendar to match the current phase before turning the disc forward to the correct position.
What is an eight day movement?
An eight day movement requires winding via the dial holes once every week to maintain continuous operation. Brass weights suspended on cords provide the driving power for the gear train.
This system replaced the simpler thirty-hour clocks, offering greater convenience and more consistent timekeeping accuracy for households.
Where should I place a longcase clock?
Select an interior wall away from direct sunlight, heating vents, and exterior doors to protect the timber case and delicate internal mechanics from extreme temperature fluctuations.
A stable floor surface is essential so the pendulum can swing freely without catching against the inside of the mahogany trunk.
How do I identify the period?
Examining the dial style, hand shapes, and case architecture helps narrow down the manufacturing decade. Early Georgian examples often feature square dials and simpler hood designs, whereas later Georgian and Victorian pieces frequently incorporate arched painted faces and more elaborate mahogany veneers.
Signatures inscribed on the dial often reference recorded regional watch and clockmakers, providing a reliable baseline for dating.