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jan 8, 1840 - Marsh Test

Description:

James Marsh perfects the Marsh Test, designed to test for arsenic. This test was used in the trial of Marie Lafarge. (exact date unspecified)

Added to timeline:

Forensic Timeline

ByJoshlin Espinoza

13 Oct 2017

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Date:

jan 8, 1840

Now

~ 185 years ago

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