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| Archive Reference / Library Class No. | D1851/P/4/6 |
| Former Reference | D1851 B 64 |
| Title | Automatic counting machine for recording number of items produced |
| Date | 2 Aug 1847 |
| Description | Plan, with front and end elevations, sections and detail as at full size |
| Extent | 1 item |
| Level | Item |
| Repository | Derbyshire Record Office |
| Archive Creator | Bryan Donkin Company Ltd of Chesterfield (1902-c1997), formerly of Bermondsey, Surrey (1803-1902), engineering firm |
| Copies | A digital copy of this item can be viewed on the public computers at the record office |