| Reference number | NLB/14/755 |
| Alternative reference number | NLB/14 p414 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, to Mr A C Cossor, 67 Farringdon Road, E.C. |
| Date | 10 May 1897 |
| Description | In reply to Harrison's letter of the 6th, Harrison thanks Cossor for his offer to exhibit vacuum tubes at the approaching Soiree of the Society, but the number of exhibits already accepted for this occasion is so high that he is precluded from accepting the offer. |
| Extent | 1p |
| Access status | Open |