- ReferenceCDE298/61
- TitleFull-size section through steel-framed lantern, with double weathered ventilators in upstand and truss. Mellowes & Co Ltd, Sheffield and London, sketch sheet no MS28.
- Date free text23 May 1929
- Production dateFrom: 1929 To: 1929
- Formatblueprint
- Level of descriptionitem
- Persons/institution keyword
- Keywords
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