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Watchmaker profile

George Margetts

George Margetts designed complex astronomical dialling for a chronometer made by Thomas Earnshaw. 1

Design credit is separated from Earnshaw's manufacture of the movement.

At a glance

The watchmaking story

A useful place to start with George Margetts' work is Astronomical chronometer 342. 1

London watchmaking provides historical context for this work rather than a brand relationship. 1

Scope: Direct watchmaking

Why this person is included

Museum-documented original design

Background and working context

Affiliations and workshops: London watchmaking

Geographic ties: United Kingdom. Documented workplace / industry location

Brands, workshops, and other relationships

  1. Context / no named watch brand · Inherited source-linked record; relationship classification reviewed, sources not reopened

    London watchmaking — Context / not a brand relationship. Watchmaker and astronomical dial designer 1

    Legacy affiliation: London watchmaking. Person-level contribution: Designed complex astronomical dialling for a chronometer made by Thomas Earnshaw.

    Original affiliation wording: London watchmaking. No present-day employment or ownership inferred.

Evidence and limitations

This dossier connects 3 field-specific evidence records with 1 public source. Known links only; full career not established

Claim qualifications (3)
  • Noteworthy contribution: Margetts designed the astronomical dialling; Earnshaw made the watch and supplied the escapement. Do not collapse the collaboration. Locator: 342 description 1
  • Representative work: Margetts designed the astronomical dialling; Earnshaw made the watch and supplied the escapement. Do not collapse the collaboration. Locator: 342 description 1
  • Specific role: Margetts designed the astronomical dialling; Earnshaw made the watch and supplied the escapement. Do not collapse the collaboration. Locator: 342 description 1

Sources

  1. 342: astronomical chronometerRoyal Museums Greenwich · Museum / archive · Not stated

    [S0063] Royal Museums Greenwich. "342: astronomical chronometer." Not stated. https://www.rmg.co.uk/collections/objects/rmgc-object-205759 Accessed 2026-09-13.

    Source context

    Relationship to subject: Museum / archive custodian

    How it was checked: Opened and read

    Limitation: Post-consolidation gap-resolution pass: Original source text inspected; not independent corroboration of every profile clause.

Corrections and stronger evidence

Names, dates, and workshop relationships can change as archives are digitised. If you have a primary source that clarifies this record, use the correction process.

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