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| Title | Patent no 11767 |
|---|---|
| Creator | Nasmyth Gaskell and Company |
| Date of Creation | 12 Oct 1847 |
| Description | Robert Wilson's patent for steam hammer improvements details, stamped 'London 12.10.47'. Side elevation.Table relating to fig's not present. Sheets B and C. |
| Archive Reference | NAS/1/17/2/1 |
| Media | Ink and watercolour on paper |
| Dimensions | 520x647 mm |