This project involves the development, construction, and operation of a sensitive magnetic microscope that is based on the dc Superconducting QUantum Interference Device (SQUID). During this project the authors constructed a system by modifying one of an existing 1-channel liquid-nitrogen cooled SQUID microscope to hold an array of 8 high-Tc YBCO SQUIDs. The SQUID chip was mounted on the end of a 77 K cold finger in the vacuum space ...
A procedure was developed and tested for recharging Self-Contained Breathing Apparatus (SCBA) cylinders in an atmosphere contaminated with chemical agent simulant at concentrations which would produce casualties if actual agent were used. With the exception of a rack for storing the cylinders before and after recharging, all items used are currently available commercially or through off-the-shelf DOD supply sources. Cylinders were successfully recharged without contamination in the presence of chemical ...
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