French (Paris, France, 1871 - 1958, Paris, France) Primary
Nous sommes fous… [We Are Insane...]1922
22 3/8 in. x 16 1/4 in. (56.83 cm x 41.28 cm)
Bryn Mawr College
This object has the following keywords:
- aquatints - Prints produced from designs created by the aquatint process, by which a printing plate is covered with a coating and etched with acid so as to create a range of tonal values, often combined with line work. The resulting print resembling a watercolor.
- etchings - Prints made from an etched printing plate, which is a metal plate on which a design is made by coating the plate with an acid-resistant substance, creating a design in the coating, and then exposing the plate to acid, which etches the plate where the metal is exposed. For designs incised directly into a copper plate using a burin or graver, use "engravings (prints)."
- insanity - Persistent mental disorder or derangement.
- photogravure - An intaglio photomechanical process of reproducing an image or design, a combination of photography and etching. A metal printing plate is prepared using a bichromate process, leaving a gelatin resist of varying thickness. The plate is etched to form cells of varying depth able to hold different amounts of ink. Crucially, the gelatine in the photographic negative of the image acts as the acid resist when the image comes to be etched. Hand photogravure was very popular in the later 19th century, involves the photographic transfer of the image to a copper plate, prepared with aquatint to give it tone, into which the design is etched. The plate is hand-inked and printed as an ordinary intaglio plate. Machine photogravure, very much more common and commercial, uses a cross-line screen instead of aquatint to provide the tone, and a cylinder is employed rather than a plate. Very fast printing in large editions, for example of magazines, is possible with this technique. If done with an aquatint grain, prefer "photoaquatint."
- Plate Dimensions: 22 3/8 x 16 1/4 in. (56.833 x 41.275 cm)
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