Elgin National Watch Company Materials Specification Chart - Parts List Grades 1-40
Technical Data document from Elgin National Watch Company presenting a comprehensive materials specification chart for watch movements Grades 1-40. This parts list provides detailed cross-referenced tables of watch components including arbors, bushings, cams, caps, clamps, clutches, caps, jewels, and other parts with their corresponding material codes using the X-series designation system. The chart maps each component across all 40 grades with serial number references for movement identification. Essential reference for parts identification and sourcing.
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Document Details
- Format
- Pages
- 16
- Size
- 1.3 MB
- Category
- Watchmaking