Type C and E base case comparison of the release levers @MarkFrankclocks
Type C and E base case comparison of the release levers  @MarkFrankclocks
Uploaded November 2017 | Updated September 2026, 2 weeks ago
A look at the release levers within the base cases of the Yale Type C and the Type E, the lock Yale introduced about a year later to replace the Type C product.
Type C and E base case comparison of the release leversAstro-skeleton, demo of the outer planets of Jupiter and Saturn in the orrery moduleCase 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 skeleton
Mark Frank |

Type C and E base case comparison of the release levers

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