imposing stone

• 1. 装版台: imposing stone | lockup table

• 1.平压机：小型活版印刷机。纸张摆稳于压板上，然后压向垂直的装版台的机器。 收藏。
  Platen: Small letterpress printing machine on which the paper is held in the platen and pressed up against the vertically-held type-bed.
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