Contrails
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.

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2 reports

Factors Determining the Legibility of Letters and Words Printed in "Dot" Patterns with Pure Black and White when the Patterns are Degraded in Varying Amounts

Author(s): Eugene R. Long; L. Starling Reid
Corporate Author: University of Virginia
Laboratory: Aeromedical Laboratory
Date of Publication: 4/1/1952
Report Number: AF TR 5922
full text unavailable

Factors Determining the Legibility of Letters and Words Printed in "Dot" Patterns with Differential Brightness of the Patterns Proportional to the Amount of Degradation

Author(s): Eugene R. Long; L. Starling Reid
Corporate Author: University of Virginia
Laboratory: Aeromedical Laboratory
Date of Publication: 4/1/1952
Report Number: AF TR 5923
full text unavailable