- The drawings from the office of Sir John Soane
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Soane also wanted to lighten the appearance of the vaults as much as possible, especially the pendentive dome with its wide-spreading oculus. Thus the system of concentric tie-rods at the base of the lantern shown in drawing 29, that allowed the inner edge of the oculus to float out over the crossing, giving the pendentive dome below the appearance of a taut, thin surface resting lightly on its corner supports.
For the vaulting brickwork Soane employed hollow-cone pots. These bricks were hollow pots, square and closed at one end, but basically circular in section, with the other end domical and containing a small opening. The cones would have been made at a kiln on the construction site. It was the first time such construction had been employed in an English public building. Soane drew particular attention to the use of such fireproof material for vaulting in his Royal Academy lectures.
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.
Browse (via the vertical menu to the left) and search results for Drawings include a mixture of Concise catalogue records – drawn from an outline list of the collection – and fuller records where drawings have been catalogued in more detail (an ongoing process).
Contents of Design of roof and vaulting, as executed, c. 1792-93 (4)
- Design for construction of centering
- Design for roof, as executed
- Design for corner tie-rods at roof level, as executed
- Design for tie-rods and vaulting at lantern level, as executed