- perforation gauge
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a marked ruler used to measure the number of perforations per unit length along the borders of a stamp.[1890-95]
* * *
Universalium. 2010.
perforation gauge
Look at other dictionaries:
perforation gauge — noun : a calibrated strip of cardboard, celluloid, or metal for determining the perforation number of a stamp * * * Philately. a marked ruler used to measure the number of perforations per unit length along the borders of a stamp. [1890 95] … Useful english dictionary
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