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About This Item


Full Description

Applies to cast iron straightedges of bow-shaped design with one working face of lengths up to 8 feet.

Document History

  1. AS B307-1971

    Engineers straightedges (imperial units)

    • Most Recent
  2. AS B73-1968

    Steel straightedges of rectangular section (inch units)

    • Historical Version
  3. AS B71-1966

    Cast iron straightedges (bow shaped and I-section)

    • Historical Version
  4. AS B73-1940

    Steel straightedges of rectangular section

    • Historical Version
  5. AS B71-1940


    Cast iron straightedges (Grades A and B)

    • Historical Version