Now showing items 1-2 of 2

  • Development of an etching paste 

    Wightman, Graham; Matthew, Jennifer (Elsevier, 2008-08)
    The recovery of erased identification marks is a problem for the forensic scientist, particularly with respect to vehicles and firearms. The widely accepted procedure for steel imprints is to use Fry's reagent. The present ...
  • Restoration of stamp marks on steel components 

    Wightman, Graham; Matthew, Jennifer (Elsevier, 2008-08)
    Stamp marks are used as a unique identification for a range of items, but these can be erased for criminal activities. Erased marks can sometimes be recovered by etching or magnetic means. The present study looked at the ...