[1] Measured drawings of Reichenau bridge

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Sir John Soane office drawings: the drawings of Sir John Soane and the office of Sir John Soane
- Soane's architectural education: Royal Academy and Italy including measured drawings: 1770-1780
  - Soane in Italy: measured drawings made or copied, 1778-80
    - Switzerland: Bridges at Reichenau, Wettingen, Schaffhausen and an unidentified location, 29-31 May 1780 (4)

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Reference number

SM 57/8/17

Purpose

[1] Measured drawings of Reichenau bridge

Aspect

(recto) Rough longitudinal half-section of the span, longitudinal section through the abutment and 2 cross sections; (verso) Half-elevation and cross section

Inscribed

recto (of span) Roof. Great waste of timber - & no Iron / The whole of the fram^g of this bridge is exceedingly / rude, & very great want of Iron / y.y. Iron bars ab^t 2/3 long & only one Inch Sq. / the timber not squared, but simply laid / Exceedingly decay'd, several of the Prin[cipals] split. / it is sunk & twisted exceedingly in many diff^tdirections / Bridge. 6 miles before you arrive at Coira; labelled No iron &c, No Iron & in conseq[uence] risen, Roof, board, Wood floor, Board^g, Iron w^h runs thro' each Principle, lettered N, M, Z, F, D, B, and y but without a key, dimensions given
verso Sunk & twisted so much as to be entirely sup[porte]^d by the Buttress, Board^gwith thick board & covered with thin wood shingles, Centre, level of Gr^d,Ro[ugh] Stone / wall, Shingles, Vert^l and Wood

Medium and dimensions

Pen and pencil on laid secretary paper (307 x 412)

Hand

Soane

Watermark

bunch of grapes

Notes

As the exhibition catalogue on Swiss wooden bridges (2003, p.90³) points out, the longitudinal section is drawn from the inside and, with the other sections, concentrates on the two types of uprights: 'hang posts supporting the lower beam, with the struts resting against them' and a simpler upright.

With a 70 metre span, the bridge was built by Johannes Grubenmann around 1757.

Literature

P.du Prey, John Soane's architectural education 1753-80, 1977, pp.325-6
P.du Prey, 'Eighteenth-century English sources for a history of Swiss wooden bridges', Zeitschrift fur schweizerische Archaologie und Kunstgeschichte, XXXVI, 1979, pp.56-7
'John Soane and the wooden bridges of Switzerland. Architecture and the culture of technology from Palladio to the Grubenmanns', Accademia di Architettura Mendrisio, exhibition catalogue, 2003, p.90

Level

Drawing

Exhibition history

John Soane and the wooden bridges of Switzerland. Architecture and the culture of technology from Palladio to the Grubenmanns, Archivio del Moderno, Mendrisio, 11 May - 30 June 2002; Centro Palladio, Vicenza, 11 July - 3 November 2002; S AM Schweizerisches Architekturmuseum, Basel, 16 November 2002 - 2 February 2003; Sir John Soane's Museum, London, 14 February - 19 April 2003

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