Folio [48 x 34 cm], (1) f., 47 pp. with 5 full-page and 11 folding copper engravings illustrating the topography, the different stages of the construction project, and the engineering machinery used. Bound in contemporary cartonnage, spine reinforced with old vellum. The usual uniform toning and very occasional light marginal foxing; worming in gutter margin of p. 13-14, not affecting printed surface. Very good, with sharp impressions of the plates, which are all in excellent condition. First and only edition of a landmark book on bridge engineering on rivers, important not only for its bold solution for a complex site but also for many novel machines used in the course of construction. �Since its appearance the present work has been recognized for its great utility to engineers charged with the construction of other similar bridges� (Roberts & Trent). The numerous full-page and folding plates illustrate the bridge at various stages of completion, as well as the machinery used�dredges, pile drivers, hoists and winches, etc. A very handsome volume on the subject, with monumental and superb folding illustrations (including one 126 cm long) documenting step-by-step the works in progress. In the fifty years prior to publication, three bridges in stone�one built by the famous Hardouin Mansard-- and a fourth constructed of wood had collapsed at Moulins, on the river Allier in France. R�gemortes attributed their collapse to insufficient foundational support in the river�s sandy bed, as the latter was subject to gradual erosion. By contrast, R�gemortes placed his foundations on the river�s banks, and gained additional structural support from a small island in the center, along with a complex system of embankments, levees and a canal. The construction of the Moulins bridge, which took 10 years, was a great success: the work gained instant recognition and became a classic in the field of civil engineering. * Roberts & Trent, Bibliotheca Mechanica, p. 274; NBG XLI. 837.

Bestandsnummer des Verk�ufers 1239

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Bibliografische Details

Titel: Description d'un nouveau pont de pierre, construit sur la riviere d'Allier a Moulins.
Verlag: Lottin, Paris
Ver�ffentlichungsdatum: 1771
Bindung: Hardcover
Zustand: Very Good

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