| Repository | Jesuits in Britain Archives |
| Ref No | ABSI/SJ/51/6/89 |
| Title | Shell-face facets |
| Date | nd |
| Level | File |
| Description | Notes and diagrams on movable a-tets, r-tets and triplets. |
| Format | Manuscript |
| AccessConditions | The papers are available subject to the usual conditions of access to archive material in the Jesuits in Britain Archives. |