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[rə¦pü ¦säzh]
(graphic arts)
In etching, when a plate is repaired, scraped, and rubbed, there is a hollow left that will print a gray smudge; repoussage involves hammering out the hollow by putting the plate face down on a flat steel surface and tapping it gently from the back with a repoussage hammer.



the production of raised images on sheet metal. The reverse side of the metal sheet is laid against a block of special resin, and a special hammer is used to strike a raising tool applied most frequently to the face side. Repoussage is one of the oldest techniques used in decorative metalworking.


Flerov, A. V. Khudozhestvennaia obrabotka metallov. Moscow, 1976.
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References in periodicals archive ?
It is very difficult to use the information in Sung's book to test one's own conjectures about revisions to the plates: there is no image provided of the hammer and chisel marks on the Chaucer plate, only an extensive, rather vague list of the general areas of the print that correspond to areas of repoussage on the plate verso--indeed, in the entire book there are only three obscure monochrome images of the versos of Blake's Job plates, one image of the recto of a lob plate, an image of a platemaker's mark, three more images of mostly non-Blake works, and diagrams of enigmatic marks on the backs of several of the Job plates.
Needless to say, all the evidence of "mistakes" and changes of mind that are recorded in the hammer blows of repoussage are trotted out to discredit the straw man of automaticism, and Blake's extensive revision of lettering in the plates is even adduced as evidence that he was not as good at writing backwards on plates as Essick and Viscomi say he was (116-17).
The book is marred by repetition (there is a full explanation of repoussage on page 85, long after the subject has come up repeatedly), inattentive editing, and whole chapters that might better have been placed on line for consultation by those untroubled by too much information: the chapter on English copper plate makers in Blake's day (and long before and long after), seems particularly prodigal of paper, and though some of the information may be useful to someone someday, the only payoff in the context of this book is the observation that ".