| 10cm Magnetic Levitating Globe antique No.SG1090 |
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 7,140yen(tax in) free shipping & handling
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The electromagnetic suspended globe is an impressive high-tech instrument. A magnetic field sensor permanently measure the height at which the globe sphere is suspended. The sensor and the micro computer in the base control an electronic magnet in the upper part of the frame and therefore check the distance between globe sphere and magnetic head. An additional, permanent magnet in the base holds the sphere safely on the frame when the suspension mechanism is switched off.
Diameter : 10cm(4") |
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