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单词 micropantograph
释义

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micropantograph
micropantograph n. Obsolete rare an instrument for producing microscopically small writing (cf. micrograph n. 3).
ΚΠ
1875 Harper's Mag. Mar. 543/2 The writing was executed with a diamond point by an instrument of Mr. Webb's invention, and known as a micro-pantograph.
a1877 E. H. Knight Pract. Dict. Mech. II. 1432/1 Micropantograph, an instrument invented in 1852 by Mr. Peters..for minute writing.
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更新时间:2024/9/21 0:52:26