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INFORMATION TO USERS This dissertation was produced from a m icrofilm copy of the original document. While the most advanced technological means to photograph and reproduce this document have been used, the quality is heavily dependent upon the quality of the original submitted. The following explanation o f techniques is provided to help you understand markings or patterns which may appear on this reproduction. 1. The sign or “ target" for pages apparently lacking from the document photographed is "Missing Page(s)". If it was possible to obtain the missing page(s) or section, they are spliced into the film along with adjacent pages. This may have necessitated cutting thru an image and duplicating adjacent pages to insure you complete continuity. 2. When an image on the film is obliterated w ith a large round black mark, it is an indication that the photographer suspected that the copy may have moved during exposure and thus cause a blurred image. You w ill find a good image of the page in the adjacent frame. 3. When a map, drawing or chart, etc., was part of the material being photographed the photographer followed a definite method in "sectioning" the material. It is customary to begin photoing at the upper left hand corner of a large sheet and to continue photoing from left to right in equal sections w ith a small overlap. If necessary, sectioning is continued again — beginning below the first row and continuing on until complete. 4. The majority of users indicate that the textual content is of greatest value, however, a somewhat higher quality reproduction could be made from "photographs" if essential to the understanding o f the dissertation. Silver prints of "photographs" may be ordered at additional charge by writing the Order Department, giving the catalog number, title, author and specific pages you wish reproduced. University Microfilms 3 00 N orth Z e e b Road A nn A rb o r, M ic h ig a n 48106 A X e ro x E du ca tio n C om pany Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. 13-8143 oE3 1951 oR!> Rizer, Conrad Kuhl, 1^99" Police mathcr.atics; a textbook in applied nnthonatics for police students in college, ix,5?,162p. I’inal .'ocor.icnt (Ed.DO - E.Y.U., School cS Education, 1951* P ifcl ’c-raphy; p.39-49. CB0201 Shell List Xerox University Microfilms, Ann Arbor, Michigan 48106 THIS DISSERTATION HAS BEEN MICROFILMED EXACTLY AS RECEIVED. Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. Sponsoring Committee: Professor J. Darrell Barnard, Chairman Professor John J. Kinsella Professor Herbert J. Stack POLICE MATHEMATICS A Textbook in Applied Mathematics for Police Students in College CONRAD K. RIZER Submitted in partial fulfillment of the requirements for the degree of Doctor of Education in the School of Education of New York University 1950 Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. PLEASE NOTE: Some pages may have indistinct print. Filmed as received. U n i v e r s i t y Microfilms, A Xerox Education Company Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. Preface For several years prior to the Second Vorld War the College of the City of New York offered a two-year preservice police curriculum in the Division of Public Service. The author taught a course in mathematical analysis in the established preservice police curriculum at the College. A concern on the part of the author to make the course significant in the field of police work led to research in order to determine what