Zodiac Electronic & Scientific Corporation manufactures Round Bakelite Type Resistance Coil. Zodiac Electronic & Scientific Corporation also manufactures various types of Electronic Instruments and Physics Instruments. The Round Bakelite Type Resistance Coil, Model ZES 204, has non inductively wound coil of double silk covered constantan wire enclosed in a circular moulded bakelite case. The Round Bakelite Type Resistance Coil has two brass terminals and the value of each coil is clearly marked on the top of the case. This Resistance Coil can be adjusted to accuracy within 0.1%.
