perforation gauge
1perforation 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] …
2perforation gauge — Philately. a marked ruler used to measure the number of perforations per unit length along the borders of a stamp. [1890 95] * * * …
3perforation gauge — noun A device for measuring the number of perforations per 2 centimetre distance along the edge of a postage stamp …
4Postage stamp separation — For postage stamps, separation is the means by which individual stamps are made easily detachable from each other. Methods of separation include: # perforation cutting rows and columns of small holes # rouletting small horizontal and vertical… …
5Philately — is the study and collecting of revenue and postage stamps. This includes the design, production and uses of stamps after they are authorized for issue, usually by government officials such as postal authorities. Philately is the distinct activity …
6List of oil field acronyms — Contents 1 # 2 A 3 B 4 C …
735 mm film — is the basic film gauge most commonly used for both still photography and motion pictures, and remains relatively unchanged since its introduction in 1892 by William Dickson and Thomas Edison, using film stock supplied by George Eastman. The… …
8Film perforations — Film perforations, also known as perfs, are the holes placed in the film stock during manufacturing and used for transporting (via sprockets and claws) and steadying (via pin registration) the film. Films may have different types of perforations… …
9Film stock — This focuses on motion picture film. For still photography film, see photographic film. A film strip Film stock is photographic film on which filmmaking of motion pictures are shot and reproduced. The equivalent in television production is video… …
109.5 mm film — is an amateur film format introduced by Pathé Frères in 1922 as part of the Pathé Baby amateur film system. It was conceived initially as an inexpensive format to provide copies of commercially made films to home users, although a simple camera… …
