The 19th century (8 janv. 1806 – 8 janv. 1893)

Description:

1806- Valentin Ross (German Chemist) discovered the precise method of detecting small amounts of arsenic.
1814- Mathieu Orfilla, Father of Forensic Tech, published articles on the detection of poisons and effects.
1828- Polarizing microscope invented
1839- First microscope detection of sperm
1839- The first use of toxicological evidence in a criminal trial.
1850-1860- The development of photographs allowed for more accurate records and documentation.
1863- The first presumptive test for blood was discovered.
1879- Alphonse Bertillion, a French anthropologist, introduced the Bertillion System, also called Anthropometry. It was a system of identifying people by their physical appearance. Various measurements were taken and recorded from various parts of the body. It was considered the most accurate method of personal identification until the Will West case in 1903.
1888- London was terrorized by " Jack the Ripper"
1893- The first book pf criminal investigation using forensic science, Criminal Investigation, was published by Hans Gross of Austria.

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