Callipers used to measure rail-head wear were redesigned to allow for side wear. The callipers are made in a scissors pattern and are illustrated in use.

  • Corporate Authors:

    Temple Press Limited

    161-166 Fleet Street
    Longon EC4,   England 
  • Authors:
    • Peters, R
  • Publication Date: 1939-12-22

Media Info

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Filing Info

  • Accession Number: 00039792
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Dec 4 1994 12:00AM