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Woodblock printing or block printing is a technique for printing text, images or patterns used widely throughout East Asia and originating in China in antiquity as a method of printing on textiles and later on paper.
The final smooth wipe is usually done by hand, sometimes with the aid of newspaper or old public phone book pages, leaving ink only in the incisions. A damp piece of paper is placed on top and the plate and paper are run through a printing press that, through pressure, transfers the ink from the recesses of the plate to the paper.
Wood type in close-up. In letterpress printing, wood type is movable type made out of wood.First used in China for printing body text, wood type became popular during the nineteenth century for making large display typefaces for printing posters, because it was lighter and cheaper than large sizes of metal type.
Reduction printing is a name used to describe the process of using one block to print several layers of color on one print. Both woodcuts and linocuts can employ reduction printing. This usually involves cutting a small amount of the block away, and then printing the block many times over on different sheets before washing the block, cutting ...
The general form of letterpress printing with a platen press shows the relationship between the forme (the type), the pressure, the ink, and the paper. Letterpress printing is a technique of relief printing for producing many copies by repeated direct impression of an inked, raised surface against individual sheets of paper or a continuous roll ...
The paper is then laid on the block and rubbed with a long narrow pad to transfer the impression to the paper. The paper is peeled off and set to dry. Because of the rubbing process, printing is only done on one side of the paper, and the paper is thinner than in the west, but two pages are normally printed at once.
This print was brittle, acidic, discolored, and tearing due to light and pollutants exposure as well as a previous restoration with acidic materials. When it underwent conservation treatment, the print's previous mount was stripped. The print was washed in a calcium solution that reversed some yellow discoloration.
The typical example of this kind of bronze movable type embedded copper-block printing is a printed "check" of the Jin dynasty with two square holes for embedding two bronze movable-type characters, each selected from 1,000 different characters, such that each printed paper note has a different combination of markers.