New 4x4 inch ferrocell light box with 4 sphere magnets.

briankerr (45)in #science • 8 years ago

Very strong images with this holder and ferrocell. These ball magnets are 3/4 " in dia and N45 in power.

8 years ago in #science by briankerr (45)

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steemitboard (66) 8 years ago

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