| Reference number | NLB/22/495 |
| Alternative reference number | NLB/22 p292 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, to The London Electric Supply Corporation, Cockspur Street |
| Date | 23 May 1901 |
| Description | It has been suggested to Harrison that the apparent irregularities of the Alternating meter may be due to an error of entry of the first reading. Asks them to check the entry number at which the meter started to settle the matter at once. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Typescript, very faded |
| Access status | Open |
| Related material | See also NLB/22/478 |