Frictional Torque of an Axial Magnetic Suspension

A VERTICAL needle of iron suspended in vacuo by the co-axial field of a solenoid theoretically may have infinitesimal frictional torque against axial rotation. The purpose of the present note is to report an observed value of this frictional torque.

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Veröffentlicht in:Nature (London) 1937-07, Vol.140 (3531), p.30-31
Hauptverfasser: HOLMES, F. T, BEAMS, J. W
Format: Artikel
Sprache:eng
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Zusammenfassung:A VERTICAL needle of iron suspended in vacuo by the co-axial field of a solenoid theoretically may have infinitesimal frictional torque against axial rotation. The purpose of the present note is to report an observed value of this frictional torque.
ISSN:0028-0836
1476-4687
DOI:10.1038/140030b0