Accession Number : AD0063503


Title :   THE RELATIVE DISCRIMINABILITY OF THIRTY-ONE DIFFERENTLY SHAPED KNOBS


Corporate Author : AIR FORCE AEROSPACE MEDICAL RESEARCH LAB WRIGHT-PATTERSON AFB OH


Personal Author(s) : HUNT, DARWIN P. ; CRAIG, DAVID R.


Report Date : DEC 1954


Pagination or Media Count : 1


Descriptors :   *CONTROL KNOBS, *DESIGN, *HUMAN FACTORS ENGINEERING, .


Distribution Statement : APPROVED FOR PUBLIC RELEASE