Post Office BOX – 6 Dials

(Manganin Coil) With 6 – decades, four series dials for resistance 1,10,100 & 1000 ohms and 2 – ratio dials. Two terminals are provided for using the series dials as on ordinary dial type resistance box. The galvanometer and battery key are fitted with contacts. Range of measurement is 0.001 ohms to 1, 11, 10000 ohms. Coil are non – inductively wound with manganin wire. Accuracy ±0.2% to 0.05% A grade. Galvanometer is not included.