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0h 1min, jan 1, 1920 y - Calvin Goddard, Charles White, Phillip O. Gravelle, and John H Fisher perfected the comparison microscope for use in bullet comparison.
Added to timeline:
Forensic Science Timeline
By
Abiel
17 Oct 2017
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Date:
0h 1min, jan 1, 1920 y
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~ 105 years ago
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