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| Title | "Caledonia sketch" |
|---|---|
| Creator | Boulton & Watt |
| Date of Creation | 12 Apr 1817 |
| Description | Showing a scheme for two 14 horse engines working at right angles, includes a written description and annotations. Measured drawing. |
| Archive Reference | BAW/4/6 |
| Media | Ink and pencil on paper |
| Dimensions | 444x310 mm |