| RefNo | DM/3/52 |
| Level | Item |
| Title | Second report of a subcommittee of the Optical Glass Committee |
| Date | 6 June 1829 |
| Description | With details of expenses. |
| Extent | 9 sides |
| Format | Manuscript |
| AccessStatus | Open |
| AccessConditions | OPEN - but photocopying forbidden. |
| RelatedMaterial | See also CMB/1/13, CMB/69-71 |