Case video @MarkFrankclocks
Case video @MarkFrankclocks
Uploaded July 2020 | Updated September 2026, 2 weeks ago
Case videoAstro-skeleton, Planisphere bearings demoSun Moon, rise set disassembly procedureAstro-skeleton demo manually guided machine operationOvermyer & Huston Model 1 time lock, 1876Astro-skeleton, Time train finishedJohn Erroll, January 31, 2016Astro-skeleton, Seconds hand acting erraticallyAstro-skeleton, Orrery center gearbox disassemblyDent epicyclical skeletonHall Premier double dial #3, c.1870 with Hall/Consolidated time lock, c.1882New Britain Lock Co., Pillard model #3 movement, 1875
Mark Frank |

Case video

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