Experimental Delta T 220C

T-shaped coil wound round with copper. Two copper spikes are sticking out at each of its two ends.

  • Inventory Number: 1743
  • Dating: vor 2004
  • Material: plastic, cooper
  • Size in cm: 3,6 x 3,2
  • Condition: very good
  • Donor: Dr. Willem Beekhuizen