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perforation gauge
noun
Philately.
- a marked ruler used to measure the number of perforations per unit length along the borders of a stamp.
perforation gauge
noun
- a graduated scale for measuring perforations and roulettes of postage stamps
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˜yÐÄvlog History and Origins
Origin of perforation gauge1
First recorded in 1890–95
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Example Sentences
Examples have not been reviewed.
Perforation Gauge.—An instrument for measuring the perforations of a stamp.
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