| Alt Ref No | PENRH/2056-2065 |
| Title | Slate Quarrymen's Accounts for January, February, March, April, July, August, September, October, November and December,1835 [May and June, not preserved]. |
| Description | Each enclosure contains the names of the working sets, the blocks supplied to each, the slates produced, allowances, and nett amounts. Then comes an analysis called "Slate Makers' Account" (for each month), together with special entries for bad rock, rubbish, levels and openings, yard, &c/ Altogether, a very illuminating picture of the Penrhyn Quarry in the year 1835. |
| Date | January-April; July-December 1835 |
| Extent | 10 |