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**Round Iron Filings Bubble

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**Round Iron Filings Bubble

Filings encased in a plastic bubble, used to observe the effects of invisible magnetic fields.

Specification
Size: 85mm dia.

$3.52
**Round Iron Filings Bubble—
$3.52

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Description

Filings encased in a plastic bubble, used to observe the effects of invisible magnetic fields.

Specification
Size: 85mm dia.