Number of perforations on a stamp

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• 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

• perforated — /perr feuh ray tid/, adj. 1. pierced with a hole or holes: Punch out along the perforated line. 2. Philately. (of a number of stamps joined together) having rows of closely spaced perforations dividing each stamp from the others. 3. marked by or… …   Universalium

• perforation gauge — Philately. a marked ruler used to measure the number of perforations per unit length along the borders of a stamp. [1890 95] * * * …   Universalium

• perforation gauge — noun A device for measuring the number of perforations per 2 centimetre distance along the edge of a postage stamp …   Wiktionary