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Working drawing for an iron girder, April 1831
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Reference number
SM (100) 82/2/62
Purpose
Working drawing for an iron girder, April 1831
Aspect
100 Section through an iron girder
Inscribed
State Paper Office and some dimensions given
Signed and dated
- April 1831
20 April 1831
Medium and dimensions
Pen, pink, yellow and grey washes, pricked for transfer on wove paper with four fold marks (564 x 494)
Hand
Soane Office, draughtsman
Soane office
Soane office
Notes
Soane tried to minimise the use of combustible materials in the construction of the new State Paper Office so as to make the building more fire-proof (S. Palmer, 'Sir John Soane and the design of the new State Paper Office', Archivaria, 60, 2005, p. 56). Drawing 100 shows how the girders were constructed of two iron parts that were bolted to a central wooden joist - 'hardly a convincing fireproof design' (King's Works, VI, p. 570 n. 9). The girders were designed to reinforce the floors in the north part of the building which contained the library and to provide supports from which the hollow brick arches of the ceilings could spring. There is a wooden model for an iron girder made for the New State Paper Office in the Soane Museum (M654). See also drawings 105-111 and 142-145.
Level
Drawing
Digitisation of the Drawings Collection has been made possible through the generosity of the Leon Levy Foundation
If you have any further information about this object, please contact us: drawings@soane.org.uk