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  • image SM 45/6/4 verso

Reference number

SM 45/6/4 verso


10 Turin: theatre: Teatro Regio: copy of measured drawing


Half cross section of truss supporting stepped roof and detail of tie beam


bar scale of English and french feet (see below for note)


as above

Medium and dimensions

Pen, pencil, pricked for transfer, traces of red sealing wax at corners on laid paper (398 x 545)




Soane drew a single scale bar labelled English and french and reading 10, 20 and 40 (sic). The bar scale has a dotted vertical line followed by a single sub-division of about 1/8 of an inch then followed by 2 inches subdivided by 10. A further dotted vertical is labelled 'English'. Thus ten English feet are shown as slightly larger than ten French feet. No dimensions are given.Presumably this is the Teatro Regio built in 1738-40 by Benedetto Alfieri (1700-67) for Carlo Emanuele II, King of Savoy. When George Wightwick (1802-72) made a sketch section of the roof on his visit to Italy of 1825-7 (RIBA Drawings Collection PB429/12(1-2), the truss that he drew differed from that of Soane's time. In 1838, Pelagio Pelagi introduced a series of modifications to the theatre's structures. Altered again in the early 20th century, the Theatre was severely damaged by fire in 1936 and subsequently bombed in World War II; rebuilt to the design of Carlo Mollino, 1966-63. (information from Teatro Regio website)



Digitisation of the Drawings Collection has been made possible through the generosity of the Leon Levy Foundation

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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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