The Use of Vacuum Evaporation of Metals for Surface Feature Enhancement

This article discusses the use of a vacuum evaporator to apply various metals to the surface of transparent and translucent objects in order to reflect light so that the structure can be imaged. This procedure can be used on a variety of materials including, Striations of fingernails, toolmarks, rifling impressions on plastic shotgun shell wadding, and Nyclad bullet coating.

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