File:Classification and uses of finger prints (electronic resource) (1905) (14588352490).jpg

Identifier: b20444102 (find matches)
Title: Classification and uses of finger prints (electronic resource)
Year: 1905 (1900s)
Authors: Henry, E. R. (Edward Richard), Sir, 1850-1931
Subjects: Dermatoglyphics
Publisher: London : Printed for H.M. Stationery Office, by Darling & Son
Contributing Library: Wellcome Library
Digitizing Sponsor: Wellcome Library

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Text Appearing Before Image:
Loop In Fig. 30a compare 1, 2, 4, 5 ; the outline of theLoop, whose ridges bend down sharply, is shown bythe dotted lines, the thick dark line (a) represents itscentral ridge, the dark line (b) representing thecentral ridge of the Loop where ridges occupy thepocket. See also Figs. 27, 28, 29, 30, also Illustra-tions 50 to 57 inclusive. It should be realised thatthe ridges which bend downwards must be recurvingnot converging ridges—that their contour whenthey recurve must be rounded not angular. Theseridges in Illustrations 58 to 65 inclusive converge,that is, they meet at an angle, and their contour inconsequence is angular not rounded, hence the im-pressions would be classified as Loops ulnar orradial and not as Lateral Pockets. Twinned Loops and Lateral Pockets differentiated—Referring to Figs. 31 and 32 andIllustrations 66, 67, 68, 69, 70, it will be seen thatthis at first sight complicated pattern in reality con-sists of two well-defined Loops, one superincumbent FINGER PRINTS
Text Appearing After Image:
Fig. 28. FINGER PRINTS

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