BS 2457:1975

Specification for protractors for drawing office use.

STANDARD published on 31.1.1975

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The information about the standard:

Designation standards: BS 2457:1975
Publication date standards: 31.1.1975
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: British technical standard
Category: Technical standards BS

Annotation of standard text BS 2457:1975 :

Includes preferred sizes, for circular and semi-circular protractors made from transparent plastics. Specifies qualities of suitable materials. Status: Confirmed