P903.006 BELL IN VACUUM
Description
An electric bell working on 2-4V D.C. suspended in a 150 x 100mm bell jar with connections to the two terminals on a rubber bung sealing the bell jar. For use on a pump plate of dia 150mm.
An electric bell working on 2-4V D.C. suspended in a 150 x 100mm bell jar with connections to the two terminals on a rubber bung sealing the bell jar. For use on a pump plate of dia 150mm.
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