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Measuring Humidity in Sealed Glass Encasements

This noninvasive technique helps in the preservation of valuable documents.

Posted in: Test & Measurement, Briefs, TSP

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Adaptable System for Vehicle Health and Usage Monitoring

Safety can be increased, while costs and downtime can be reduced. Aircraft and other vehicles are often kept in service beyond their original design lives. As they age, they become susceptible to system malfunctions and fatigue. Unlike future aircraft that will include health-monitoring capabilities as integral parts in their designs, older aircraft have not been so equipped.

Posted in: Test & Measurement, Briefs

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Cryogenic High-Sensitivity Magnetometer

Sensitivity would be about a million times that of a flux-gate magnetometer.

Posted in: Test & Measurement, Briefs, TSP

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Wheel Electrometer System

Two documents describe a prototype system of electrometers for measuring electrostatic fields and electrostatic responses of soils on Mars and the Moon.

Posted in: Test & Measurement, Briefs, TSP

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Simultaneous Conoscopic Holography and Raman Spectroscopy

Both the topography and the chemistry of surfaces would be mapped.

Posted in: Test & Measurement, Briefs, TSP

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Instrumentation for Sensitive Gas Measurements

Measurements are based on cavity-enhanced absorption.

Posted in: Test & Measurement, Briefs

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Apparatus for Testing Flat Specimens of Thermal Insulation

An improved design affords flexibility for testing under diverse conditions.

Posted in: Test & Measurement, Briefs, TSP

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