Beospir D

This spiral-shaped coil is very similar to the ‘Margulies’ coil. At its end are a small nub and two threads. The object has been mounted on a piece of black cardboard.


  • Inventory Number: 1840
  • Material: plastic (impregnated with barium)
  • Size in cm: 2,2 x 3 x 0,2
  • Condition: very good
  • Donor: Univ. Prof. Dr. Robert Snowden