BSI - BS 5204-2
Specification for Straightedges - Part 2: Steel or Granite Straightedges of Rectangular Section
|Publication Date:||29 April 1977|
|ICS Code (Measuring instruments):||17.040.30|
Requirements for straightedges in a range of lengths from 300 to 2000 mm. Provides for two grades of accuracy. Appendices deal with the method of supporting straightedges and methods of testing for straightness.