In this episode, Jason Church speaks with Curtis Deselles, an intern with the Materials Research program at NCPTT, discusses the use of eddy currents and eddy current technology in conservation science. Mr. Deselles has built several eddy current analyzers, custom software, and presented on this topic at a non-destructive conference in St. Louis.
NCPTT has been using eddy current technology in preservation and will be bringing this tool to the iPhone platform in 2010. Download Episode 8 as an mp3 or subscribe via iTunes.
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Hallmarks on silver and gold objects can reveal much about their history.
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The name of the silversmith, the date of manufacture, the quality of the metal alloy, as well as other information can be determined from the study of the hallmarks.
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