亚洲网紅露点

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perforation gauge

noun

Philately.
  1. a marked ruler used to measure the number of perforations per unit length along the borders of a stamp.


perforation gauge

noun

  1. a graduated scale for measuring perforations and roulettes of postage stamps
鈥淐ollins English Dictionary 鈥 Complete & Unabridged鈥 2012 Digital Edition 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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亚洲网紅露点 History and Origins

Origin of perforation gauge1

First recorded in 1890鈥95
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Example Sentences

Examples have not been reviewed.

Perforation Gauge.鈥擜n instrument for measuring the perforations of a stamp.

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