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| Description | Steel joists to area in Princes Street back stairs corridor first floor. For the new headquarters Institution of Mechanical Engineers, London. |
|---|---|
| Date of Creation | Unknown |
| Creator | Unknown |
| Archive Reference | PRD/11/12 |
| Transcript | |
| Transcript (continued) |
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| Architect | Basil Slade |
| Media | Coloured pencil and ink on tracing paper |
| Dimensions | 261x385mm |