STUDY OF ERRORS IN FIELD ARTILLERY PRACTICE
ARMY MEDICAL RESEARCH LAB FORT KNOX KY
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The purposes of the research were 1 to determine the principal causes of error in reading horizontal angles with the standard M1 aiming circle and 2 to develop basic improvements in principles of design which will eliminate such sources of error and to incorporate these in a practical field instrument.
- Humanities and History
- Human Factors Engineering and Man Machine Systems