| Reference number | NLB/8/80 |
| Alternative reference number | NLB/8 p48 |
| Level | Item |
| Title | Copy letter from Herbert Rix, to the Cambridge Press |
| Date | 12 July 1893 |
| Description | 'Next time you are printing a stock of envelopes for our Catalogue work, please make them of enclosed shape. We think that they go through the post at book rate unfastened with less risk than shape now in use'. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |