| Reference number | NLB/44/256 |
| Alternative reference number | NLB/44 p157 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison to The Director, Carl Zeiss Limited, 13-14 Great Castle Street, Oxford Circus |
| Date | 31 May 1911 |
| Description | 'In reply to your letter of yesterday, Friday morning, as early as you can arrange, will suit us much better than to-morrow for receiving the epidiascope, because to-morrow is meeting day and a very busy day here.' |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |