Personnes et institutions:

François Pierre Michel (engraver (printmaker))
Unknown, France, mid 19th century (etcher)
Unknown, France, early 19th century (etcher)
L. Stévigny (etcher)
Ecole polytechnique (France) (educational institution)
Unknown, France, early 19th century (printer)
Adam (etcher)
Unknown, France, early 19th century (author)
Girard (draughtsman)
Charles Rohault de Fleury (draughtsman)
Delettre (etcher)
J.-J. de Laporte (engraver (printmaker))
Nicolas Louis Rousseau (etcher)
Unknown, France, mid 19th century (printer)
Charles Rohault de Fleury (student)
Brune (draughtsman)
Unknown, France, early 19th century (engraver (printmaker))

Titre:

Workbook of draughting exercises with printed examples from the École polytechnique, Paris

Date:

drawings executed between 1821 and 1822, prints executed 1812-1854

Description:

- "[A] printed exercise book used by Charles Rohault de Fleury at the Ecole polytechnique in 1820-1821. The engraved plates proceed systematically from simple exercises in geometric projections to the most complex problems of stereotomy and construction of wooden roof sections. Many of the problems have been solved by Rohault and bear the approval seal of his professor." (Bergdoll, [1]). The group also includes nine loose sheets most of which appear to be cartographic exercises.

Classification:
dessins
graphique
oeuvres d'art

Quantité / Type d’objet:
1 album(s)

Étape et objectif:

student drawings

Technique et médium:

Drawings include mostly pen and black ink with graphite, coloured inks, and/or coloured washes on laid paper with a few coloured washes over graphite on laid or wove paper and also pen and black ink over graphite on wove paper

Dimensions:

album: 43,4 x 29 x 2,8 cm folios (approx.): 42,2 x 27,8 cm sheets (range): 20,6 to 55,3 x 21,8 to 73,2 cm

Numéro de référence:

DR1974:0002:001:001-105

Type de dessins:

line drawings
mechanical drawings (tool-aided drawings)
finished drawings
rendering

Type de document:

correspondance
cartographic materials

Méthode de projection:

perspective drawings
orthographic drawings (objects)
plans (drawings)
sections (orthographic drawings)
elevations (drawings)

Point de vue:

bird's-eye view

Caractéristiques matérielles et contraintes techniques:

- This album contains ninety-three bound folios and six sheets glued to guards, all either student exercises or printed examples of same. The album is accompanied by eight loose sheets, also probably related to the Ecole Polytechnique. The album is bound between album boards covered in yellow marbled paper reinforced at the spine with another strip of paper. There is a red leather label on the spine, with the title stamped in gold.

Inscriptions:

inscribed and numbered - on most of the prints, in the plate, above the image, t.: with title and plate number; below the image, l.l. or l.r.: with the name of the etcher and sometimes of the draughtsman signed - on many of the drawings, by the draughtsman, in pen and black ink, u.r.: "Rohault" stamped - on many of the drawings, by the professor, in black ink, u.r.: "Vû L.G." [within an oval] stamped - on many of the drawings, by an unknown hand, embossed, u.r.: "E. R. P. / 1821" [within an oval]

Sujet:

architecture
ingénierie
topographique

Termes descriptifs:

house
doorways
masonry
dome
roof
town
column (architectural element)
arches
spiral stair
dormer
capital
carpentry
central-plan building
cones
cubes
fire pump (machine)
geometry
hydraulic structure
Latin cross
mechanical engineering
press
pump
signal tower
exercises
cylinders

Mention de crédit:
Collection Centre Canadien d'Architecture/
Canadian Centre for Architecture, Montréal