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Alan Christensen
Posted on Tuesday, November 06, 2001 - 11:35 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)
I suggest getting the FBI book "The Science of Fingerprints." The secondary, sub-secondary (which I assume is what you mean by tertiary), etc. are parts of the FBI extension of the Henry classification formula and are explained in the book. While fewer and fewer agencies actually use Henry anymore due to AFIS, learning it is still a good introduction to friction ridge analysis.
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rzhang
Posted on Wednesday, October 24, 2001 - 09:35 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)
I want to know the Henry secondary and teriary classification system

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