| Reference number | NLB/23/1/86 |
| Alternative reference number | NLB/23/1 p50 |
| Level | Item |
| Title | Copy letter from R Chapman, to Mr J C Barry, 283 Brunswick Road, Poplar, E. |
| Date | 13 September 1901 |
| Description | With reference to Barry's letter of yesterday addressed to the Secretary, Chapman has no doubt that calculating machines are to be obtained capable of working out the multiplications Barry mentions. Is unable to say where Barry could see one in operation and has no knowledge of Tate's Arithmometer. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Manuscript |
| Access status | Open |