Short enclosed-scale thermometers for precision use
A series of liquid-in glass enclosed-scale thermometer, not exceeding 250 mm in length for accurate measurement of temperature is specified. The combination of letters and figures allocated to each thermometer of the series indicating the type is given. Temperature scale, materials, construction, marking and accuracy are specified. The annex deals with a method of determing change in the zero…
Aircraft — Engine nacelle fire extinguisher apertures and doors
Relates to openings for the insertion of the nozzles of ground fire extinguishing equipment. If one or more openings are provided, they shall be either round or square in shape and of the following dimensions: Round; the diameter shall be from 1OO mm minimum to 13O mm maximum; Square; the sides of the squares shall be from 1OO mm minimum to 13O mm maximum.
Printing specifications for optical character recognition
Includes basic definitions, measurement requirements, specifications and recommendations for OCR paper and print, and deals with three main parameters for OCR media: optical properties of paper; optical properties and dimensions of ink patterns used as OCR characters; basic requirements for positions od OCR characters on paper. References: ISO 216; 1073/1; 1073/2; 2469; 2471; CIE Publication 15 (…
Aircraft — Two- and four-pole sealed electromagnetic relays, 2 A and 3 A — Clearance and fixing dime...
Includes the dimensions of relays with a rated breaking capacity equal to 2 A or 3 A. Applies to the relays currently used for aircraft electrical power systems. The characteristics of these relays will be defined in a future International Standard.
Office machines and printing machines used for information processing — Widths of fabric printing ri...
Describes the principal widths to be retained for fabric printing ribbons, also for two-coloured ones, of 19 mm (0,75 in) width and less, on spools, intended for office machines and printing machines used for information processing.