Longcase or bracket precision clock (specific case type needs confirmation) · England
Tompion 'Mostyn' Clock
Needs researchAssociated with the Mostyn family provenance and cited in English clockmaking literature as an example of Tompion's precision work; researchers should confirm the current cataloguing institution's own description rather than relying on secondary listings, since 'Mostyn clock' attributions circulate with varying detail in the trade and literature.
Technical facts
- Movement
- Needs direct verification — record escapement type and going duration from the holding institution's catalogue rather than assuming
- Case
- Needs direct verification against the holding institution's own description
Historical significance
- Associated with the Mostyn family provenance and cited in English clockmaking literature as an example of Tompion's precision work; researchers should confirm the current cataloguing institution's own description rather than relying on secondary listings, since 'Mostyn clock' attributions circulate with varying detail in the trade and literature.
- Illustrates the value of tracing a named clock through documented ownership history (an aristocratic family name in this case) as opposed to relying on maker's signature alone.
Related photographs

No confidently matched photograph of this subject has been found yet. These photographs show a closely related record, and are not examples of the type described on this page.
Sources & references
- Historical clock literature references to Tompion's 'Mostyn' clock exist but have not been independently verified against a primary museum catalogue for this project
Where sources disagree, the disagreement is stated rather than resolved silently.