perforation gauge

American

noun

Philately.

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

perforation gauge British

noun

a graduated scale for measuring perforations and roulettes of postage stamps

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of perforation gauge

First recorded in 1890–95

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023