Catalogue information
From the first publication of the adventures of Tom Poes and Heer Bommel in De Telegraaf (1941) until sometime in the mid-1970s, the cliché (the metal printing plate) was used for printing the daily strip. Note: a negative was made of a Tom Poes drawing. This negative was placed on a metal plate on which a photosensitive layer was applied. By exposing the negative, the light-sensitive layer hardens in those places where the negative is transparent; where the negative is black, the layer remains soft. The plate was dipped in an acid bath. The acid will eat away those parts of the metal sheet that do not have a hardened layer. These parts of the metal sheet become lower as a result; they don't print because they don't get inked. The high parts remain intact and print. A "Tom Poes cliché" is such an original metal printing plate on which the drawn Tom Poes drawing was applied as a negative image (ie a mirror image), after which this printing plate was used to print the drawing. See the print image as an example of the end result, photo 3.
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