Technical drawing of steel gearing for the N⁰ 7 coal drop including plate measurements.
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Image details
| Creator | River Wear Commission |
|---|---|
| Date | 1911 |
| Format | Plan |
| Publisher | Sunderland City Council |
| Subject | Sunderland, Coal drop, Staithe, Mining, Pit, Coal |
| Type | Plan |
| Unique Reference | PL0094 |
