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The goal of the Contrails project is to help preserve and disseminate the technical record of 20th century aerospace research, highlighting in particular the research endeavors of the Illinois Tech community.

A Head Circumference Sizing System For Helmet Design

Report Number: WADD TR 60-631
Author(s): Robert S. Zeigen; Milton Alexander
Corporate Author: Behavioral Sciences Laboratory Aerospace Medical Division
Laboratory: Behavioral Sciences Laboratory
Date of Publication: 1960-12
Pages: 103
Contract: Laboratory Research - No Contract
Project: 7222
Task: 71749
AD Number: AD0251939

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