This is done by the usual trial impression sheet, and, as blocks are found to vary much in height and are generally low as compared with type, this deficiency has to be remedied by underlaying the blocks so that they are brought to the height of the type, or a shade higher. [Please select]
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Preparing the tympan, regulating the impression, underlaying and overlaying, setting gauges, and other details explained. [Please select]
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