Yale Model 1 @MarkFrankclocks
Yale Model 1 @MarkFrankclocks
Uploaded April 2023 | Updated September 2026, 2 weeks ago
Yale Model 1Astro-skeleton, Speed selector for celestial component demonstrationsCary Safe Co. automatic time lock, c. 1893Astro-skeleton, cutting 468 teeth into the planisphere setting dialAstro-skeleton, Gillett and Johnston dual remontoireMechanical calculator, Johann Jakob Sauter. Video curtesy of Gotesborg Stadsmuseum. IMPROVED AUDIOWatson clockwork module finishedAstro-skeleton disassembly, Part 2 Sessions 11-17Astro-skeleton, July 2019.Astro-skeleton, Clock running in temporary case, November 2020Chicago Time Lock Co. model: PerfectionAstro-skeleton demo of Tellurion.
Mark Frank |

Yale Model 1

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