RESISTANCE SUBSTITUTION BOX Range given by 12 preferred value carbon resistors with rotary selector switch, in case. Values are 33 ohms, 7 W: 100 ohms, 7 W 330 ohms, 4 W, 1 Kohm 1 W 3.3 Kohm 0.5 W, 10 Kohm 33 Kohm, 100 Kohm, 330 Kohm, 1 Mohm, 3.3 Mohm and 10 Mohm, all rated 0.25 W.
AMBALA, Haryana, India
