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By:GSC

Frey Scientific Lampboard Rheostat

Item #: 590043
$24.29 $18.22
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GSC Lapboard Rheostat is used for the study of low DC voltage series and parallel circuits. It allows students to monitor the effect of series or parallel hook-ups on lamp intensity. 3.8 V bulbs is recommended for use in series measurements and 6.3 V bulbs in parallel measurements. Rheostat has 5 miniature sockets and 5 sets of binding posts with connecting leads mounted on an attractive 5 x 11 inch Lucite base.