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