Hall Band, Omga and diaphragm

An ‘Inhiband’ made of steel (invented by Dr Herbert Hall), a coil that is labelled as a ‘diaphragm’ (right), and an Omga copper coil (centre), probably from France, already heavily oxidised (turquoise in colour). Mounted on black cardboard.

  • Inventory Number: 1863
  • Material: plastic, steel, polymer plasthyd with copper
  • Size in cm: 16,8 x 10 x 0,4
  • Condition: the OMGA is in poor (oxidised) condition; the mounting card is also tattered
  • Donor: Univ. Prof. Dr. Robert Snowden