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| Classification | Drill Core |
| Description | Zeiss 1.00000 inch reference sphere |
| Source | Scan recieved by Max Fomitchev-Zamilov |
| Museum ID | N/A |
| Dealer ID | N/A |
| Catalogue ID | REF01a |
| Material | N/A |
| Height | 25mm |
| Width | 25mm |
| Scan Method | CMM |
| Mesh Density | 0.271mm |
| Precision Score Full | 43943 |
| Precision Score Exterior | 43943 |
| Precision Score Interior | - |
