One Lansing 285 driver field coil Shearer system Western
Scarce field coil driver Lansing 285, field coil measures 2.52 kOhm (DC) as it should, as does voice coil according to specs, see link on the web: The 285 was part of the Lansing Shearer System, a competitor to Western Electric``s Mirrophonic system (which was using the 594A driver) in the s.