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About This Item


Full Description

Relates to steel straightedges of rectangular section, with both working faces finished straight and parallel, such as may be used on surface tables and for testing the alignment of machine tools. It provides for two grades and covers the range of lengths up to and including 6 ft.

Document History

  1. AS B307-1971

    Engineers straightedges (imperial units)

    • Most Recent
  2. AS B73-1968

    👀 currently

    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

Amendments, rulings, supplements, and errata

  1. AS B73-1968 CORRIG. 1

    Corrig. to AS B73-1968