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Reference number

SM 37/2/20


[6] 'Design No 3' for alterations to the staircase


Plan shewing the Proposed Alteration of the Staircase at the Treasury


bar scale of 3/8 inch to 1 foot


as above, (pencil) Staircase at the Treasury, labelled: The Gallery of Communication / from one Mezzanine Floor to the other, Doorway as / it now is, Qy, steps numbered and some dimensions given

Signed and dated

  • 29 January 1818
    Lincolns Inn Fields / January 29th 1818

Medium and dimensions

Pen and sepia wash, pricked for transfer within double ruled and sepia wash border on wove paper with one fold mark (578 x 752)


Soane Office


J Whatman


'Design No 3' has two parts (drawings [6] and [7]). The stairs lead from the level of the hall to a gallery of communication across the west side of the room. Leaving this gallery from either end and then turning eastwards brings the subject to another gallery on the east side of the hall that provides access to Dorset House (on drawing [7]).



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Sir John Soane's collection includes some 30,000 architectural, design and topographical drawings which is a very important resource for scholars worldwide. His was the first architect’s collection to attempt to preserve the best in design for the architectural profession in the future, and it did so by assembling as exemplars surviving drawings by great Renaissance masters and by the leading architects in Britain in the 17th and 18th centuries and his near contemporaries such as Sir William Chambers, Robert Adam and George Dance the Younger. These drawings sit side by side with 9,000 drawings in Soane’s own hand or those of the pupils in his office, covering his early work as a student, his time in Italy and the drawings produced in the course of his architectural practice from 1780 until the 1830s.

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