rack chasen.Printing a chase (chasen.2 2) with racked sides into which fit two adjustable bars.
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society > communication > printing > composing equipment > [noun] > chase
chase1612
rack chase1882
newspaper chase1888
1882 J. SouthwardPract. Printing vi. 72Rack chases for fixing small formes on presses are made the size of a press table, and obviate the use of furniture.
1898 J. SouthwardMod. Printing I. ix. 66Rack chases..are made to fit the carriage of a press and the bed of a machine.