pointrel

名词 n.

英文释义

名词 n.
  1. An engraving tool.
    — Lay the rough plan upon the clean paper, on which you intend to draw the fair copy, press them close together by weights, and keep them as flat as possible; then with a pointrel, or needle point, prick through all the corners of the plan to be copied.

词形变化

pointrels plural
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