Bell for demonstrating electro-magnetic operation of apparatus and verifying that sound waves sound waves do not propagate in a fine vacuum ( Open acrylic housing with 4-mm safety sockets. Power supply: 6 V AC Dimensions: 100x95x50 mm
Shipping Information: Weight 0.36 lbs
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Therapy Fitness Massage Electric Massagers - 1003170 - Electric Doorbell
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