About the Atlas
Editorial standards
Accuracy takes priority over volume. We never invent serial numbers, specifications, events or references.
Verification statuses
| Verified | Confirmed against a holding institution's record or primary documentation. |
| Documented | Supported by reliable published sources. |
| Provisionally attributed | Attribution is traditional or plausible but not fully proven. |
| Estimated | Dates or values inferred from indirect evidence. |
| Disputed | Credible sources disagree; competing claims are recorded. |
| Under research | Incomplete; not yet reviewed. |
Image credits
Catalogue images are photographs or scans of the actual objects, hosted by the Atlas and credited to their source. Rights are under review; owners may request correction or removal.
- Harrison H4 chronometer.jpg — Colonel Warden at en.wikipedia · CC BY-SA 3.0
- Harrison H4 clockwork 1.jpg — Photograph by Mike Peel (www.mikepeel.net). · CC BY-SA 4.0
- Harrison H4 clockwork 2.jpg — Photograph by Mike Peel (www.mikepeel.net). · CC BY-SA 4.0
- Harrison H4 clock in The principles of Mr Harrison's time-keeper 1767.jpg — Ferdinand Berthoud · Public domain
- Czech-2013-Prague-Astronomical clock face.jpg — Godot13 · CC BY-SA 4.0
- 2015 Zegar astronomiczny w Pradze 01.jpg — Jacek Halicki · CC BY-SA 4.0
- The Prague Astronomical Clock in Old Town - 8559.jpg — Jorge Royan · CC BY-SA 3.0
- Clock Tower from Su Song's Book desmear.JPG — Su Song · Public domain
- Su Song Clock.JPG — Original uploader was Kowloonese at en.wikipedia · CC BY-SA 3.0
- Su Song Star Map 2.JPG — PericlesofAthens · Public domain
- "The Elephant Clock", Folio from a Book of the Knowledge of Ingenious Mechanical Devices by al-Jazari MET DP234075.jpg — al-Jazari · CC0
- "The Elephant Clock", Folio from a Book of the Knowledge of Ingenious Mechanical Devices by al-Jazari MET 57.51.23.jpg — al-Jazari · CC0
- Elephant clock in Mardin, Turkey.JPG — Nedim Ardoğa · CC BY-SA 3.0
- MarieAntoinetteWatch.jpg — Michael.vainshtein · CC BY-SA 4.0
- Breguet Marie-Antoinette watch in Jerusalem.jpg — Atzatz · CC BY-SA 4.0
- German - Spherical Table Watch (Melanchthon's Watch) - Walters 5817 - View A.jpg — Philipp Melanchthon · Public domain
- German - Spherical Table Watch (Melanchthon's Watch) - Walters 5817 - View B.jpg — Philipp Melanchthon · Public domain
- German - Spherical Table Watch (Melanchthon's Watch) - Walters 5817 - View C.jpg — Philipp Melanchthon · Public domain
- German - Spherical Table Watch (Melanchthon's Watch) - Walters 5817 - View D.jpg — Philipp Melanchthon · Public domain
- OMEGA-Speedmaster-Professional-Front.jpg — Torsten Bolten · Public domain
- Backside (caseback) of an Omega Speedmaster Professional chronograph watch ("Moon watch").jpg — Auge=mit · CC BY-SA 4.0
- Side view on Omega Speedmaster Professional (cropped twice).jpg — Auge=mit · CC BY-SA 4.0
- Tachymeter scale and stop watch push button of Omega Speedmaster Professional (chronograph watch).jpg — Torsten Bolten · Public domain
- Seiko Astron.jpg — Deutsches-uhrenmuseum · CC BY-SA 4.0
- Seiko 35A.jpg — Museumsfoto · CC BY 3.0 de
- Rolex Oyster del 1926, il primo orologio impermeabile della storia.jpg — Clyde94 · CC BY-SA 4.0
- Huygens first pendulum clock - front view.png — Unknown authorUnknown author · Public domain
- Huygens first pendulum clock.png — Christiaan Huygens · Public domain
- Detailed view of chronograph watch "Guinand 60.50" with automatic movement type Valjoux 7750 (cropped).jpg — Rschley www.richy-schley.de · CC BY-SA 3.0
- Damasko DC56 - German analog chronograph wristwatch with mechanical movement type Valjoux 7750.jpg — Markdjwilliams · CC BY-SA 4.0
- ETA-2824-A2-WP-de.JPG — selbst erstellt · CC BY-SA 3.0
- Seiko 35A.jpg — Museumsfoto · CC BY 3.0 de
- Verge Escapement Labelled.png — Henry Evers · Public domain
- The 1845 Verge Escapement on a pocket watch.jpg — Rosser1954 · CC BY-SA 4.0
- Late medieval turret clock with foliot.jpg — Andrewrabbott · CC BY-SA 4.0
- Verge and foliot from De Vick's clock.svg — Unknown authorUnknown author · CC BY-SA 4.0
- Anchor escapement animation 315x478px.gif — Chetvorno · CC0
- Anchor escapement.png — George Henry Abbott Hazlitt · Public domain
- Chinese movement escapement and jewels.jpg — Hustvedt · CC BY-SA 3.0
- Diagram of the chronometer detent escapement Britten's Clock and Watchmaker's Handbook 9th Edition 1896.jpg — F.J. Britten · Public domain
- Description of the Le Roy detent escapement mechanism 14 August 1748.jpg — Academie des Sciences, France 14 August 1748 · Public domain
- Grasshopper-escapement colored.gif — Grasshopper-escapement-005.gif: en:User:Bariton-pop, upload by Roland zh on 14. September 2008 derivative work: Jahobr ( · CC BY-SA 3.0
- Grasshopper escapement.png — Unknown authorUnknown author · Public domain
- CoAxial.gif — Adithyamc Gaming · CC BY-SA 4.0
- Watch balance spring and human hair.jpg — Sandbachfizzy · CC BY-SA 4.0
- Balance spring types.png — Frederick J. Britten and Harry L. Nelthropp · Public domain
- Lindquist Fusee Pocket Watch Movement.jpg — Gervald Frykman User:G N Frykman · Public domain
- Spindeluhr fusee verge watch fabris 02.jpg — Sergio Fabris · CC BY-SA 4.0
- Tourbillon.jpg — Simon Schaller (Benutzer: simusch, eigenes Bild) · Public domain
- Minute repeater movement.jpg — Jjcasalo at English Wikipedia · CC BY-SA 3.0
- Minute repeater movement 2.jpg — User:Jjcasalo · CC BY-SA 3.0
- Detailed view of chronograph watch "Guinand 60.50" with automatic movement type Valjoux 7750 (cropped).jpg — Rschley www.richy-schley.de · CC BY-SA 3.0
- Seiko Flyback-Automatic-Chronograph Cal. 7016, Monaco.jpg — Dnalor 01 · CC BY-SA 3.0 at
- Abraham-Louis Breguet (around 1810) painted portrait.jpg — Unknown authorUnknown author · Public domain
- John Harrison's portrait.jpg — Engraved from the oil painting by Thomas King · CC BY-SA 4.0
- Nathaniel Dance-Holland (1735-1811) - Thomas Mudge (1715-1716–1794) - 1985-1362 - Science Museum.jpg — Nathaniel Dance-Holland · Public domain
- Caspar Netscher - Christiaan Huygens, the astronomer, 1671 (cropped).jpg — Caspar Netscher · Public domain
- 蘇頌全身.jpg — 不詳 · Public domain
- "The Elephant Clock", Folio from a Book of the Knowledge of Ingenious Mechanical Devices by al-Jazari MET 57.51.23.jpg — al-Jazari · CC0
- Hans Wilsdorf.jpg — Unknown authorUnknown author · Public domain
- WALTHAM WATCH COMPANY FACTORY. WALTHAM IS A BUSY MANUFACTURING CITY ON THE CHARLES RIVER - NARA - 550013.jpg — Ernst Halberstadt · Public domain
- Fabrique de montres Omega Biel-Bienne.jpg — ModificateurFédéral · CC BY-SA 4.0
- Seiko Astron.jpg — Deutsches-uhrenmuseum · CC BY-SA 4.0
- London, Greenwich, Royal Greenwich Observatory -- 2016 -- 4695.jpg — Dietmar Rabich · CC BY-SA 4.0
- Musée international d'horlogerie de la Chaux-de-Fonds, Suisse.jpg — JoachimKohler-HB · CC BY-SA 4.0
- Patek Philippe Museum.JPG — Credits to Mourad Ben Abdallah / Wikimedia Commons · CC BY-SA 3.0
- Deutsches Uhrenmuseum in Furtwangen - panoramio.jpg — Michael Paraskevas · CC BY-SA 3.0
- National Watch and Clock Museum Columbia PA.jpg — Smallbones · CC0
- Mathematisch-Physikalischer Salon Dresden 2016.jpeg — GFHund · CC BY-SA 4.0
- L. A. Mayer Institute P4110089.JPG — Deror avi · CC BY-SA 3.0