The Finger Print Instructor, 1940

Photograph taken from Taken from Frederick Kuhne, The Finger Print Instructor... Based upon the Sir E. R. Henry System of Classifying and Filing. The Henry Classification System divides fingerprint records into groupings based on pattern types. The system makes it possible to search large numbers of fingerprint records by classifying the prints according to whether they have an arch, whorl, or loop. In the typical loop pattern the ridges enter from one side of a finger, form a curve, and then exit on that same side. The Henry Classification System is a long-standing method by which fingerprints are sorted by physiological characteristics for one-to-many searching. Developed by Sir Edward Henry in the late 19th century for criminal investigations in British India, it was the basis of modern day AFIS classification methods up until the 1990s. In recent years, the Henry Classification System has generally been replaced by ridge flow classification approaches

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Afis Characteristic Classification Enforcement Fingerprint Fingerprints Forensic Instruction Instructor Investigate Investigation Knighted Kuhne Method Physiological Sort Textbook Uses

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