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The Encyclopedia of Horology

Kornwestheim, Germany · 1739 – 1790

Matthäus Hahn

Partially verified

Astronomical clocks

Life & work

Specialist in complex astronomical clocks and planetary machines.

Training, contributions & innovations

  • Constructed advanced heliocentric orreries

Inventions & patents

  • N/A

Signatures & markings on surviving work

  • Matthäus Hahn

Collecting significance

Authenticity depends on signatures and movement quality. For 19th-century makers, serial numbers often allow for precise dating. For modern independents, documentation from the maker is key.

Related photographs

The Prague Astronomical Clock in Old Town - 8559
The Prague Astronomical Clock in Old Town - 8559 — Jorge Royan, CC BY-SA 3.0. Wikimedia Commons file page
Czech-2013-Prague-Astronomical clock face
Czech-2013-Prague-Astronomical clock face — Godot13, CC BY-SA 4.0. Wikimedia Commons file page

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

  1. Britten, F. J., Old Clocks and Watches and Their Makers
  2. Loomes, B., The Early Clockmakers of Great Britain
  3. Ehrhardt, R., American Pocket Watch Identification and Price Guide
  4. Museum catalogue records

Where sources disagree, the disagreement is stated rather than resolved silently.