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| Title | Nasmyth's patent: 1 cwt |
|---|---|
| Creator | Nasmyth Gaskell and Company |
| Date of Creation | 5 May 1847 |
| Description | 1 cwt patent steam hammer, plan/bird's-eye view, front and side elevations. Drawing roll 87 no 73; then stamped drawing roll 52 no 73. Signed 'E Barlow'. |
| Archive Reference | NAS/1/17/2/8 |
| Media | Ink on tracing paper |
| Dimensions | 695x610 mm |