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Improving procedures for producing overhead transparencies with the ultimate aim of incorporating these technIQues into the development of a regional curricular materials center for vocational education. final report [microform] / Arthur K. Jensen
Bib ID 5190281
Format BookBook, MicroformMicroform, OnlineOnline
Author
Jensen, Arthur K
 
Online Versions
Description [Washington, D.C.] : Distributed by ERIC Clearinghouse, 1967 
151 p. 
Summary

The investigation resulted in the production of 88 low-cost overhead projection transparencies on the basic principles of power transmission in agricultural machinery. Developing technIQues for offset printing on plastic required overcoming problems of static electricity, ink adhesion, offsetting, and drying. Machinery, environment, and ink were tested and adjusted to produce single color transparencies economically. Media quality was tested by 53 vocational agriculture teachers in five states. They were enthusiastic about the production approach, satisfied with the projection quality, product durability, and assembly methods, and expressed a need for the product. The nine sets of transparencies are enclosed in file-folders, upon which are printed suggested references and learning activities. The 88 transparencies include 37 in more than one color and provide overlays, cutaway views, and exploded views of assembly components. Specific sets of transparencies are (1) bearings, (2) differentials, (3) friction clutches, (4) transmissions, (5) gears, (6) chains, (7) belts and pulleys, (8) flexible couplings, and (9) power take-offs. Instructions for using the transparencies in teaching a 3-6 week unit were outlined for the selected teachers who evaluated the product. (jm)

Notes

May also be available online. Address as at 14/8/18: https://eric.ed.gov/

Reproduction Microfiche. [Washington D.C.]: ERIC Clearinghouse microfiches : positive. 
Subjects Agricultural Education.  |  Agricultural Machinery.  |  Material Development.  |  Mechanics (Process)  |  Overhead Projectors.  |  Teacher Attitudes.  |  Transparencies.  |  Vocational Education.
Other authors/contributors Clemson Univ., SC
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