Resistance Boxes Pye type or Gamberal type. Educational quality. Accuracy :

Constantan Coils 0.2% and Maganin coils 0.1%.

Range of ohms

No. of
Coils

Total
Resistance

(a) .1 to .5

& 1 to 5

4

1

(b) .1 to 1

& 1 to 10

5

2

(c) .1 to 5

& 1 to 50

8

11

(d) .1 to 10

& 1 to 100

9

21

(e) .1 to 50

& 1 to 500

12

111

(f) .1 to 100

& 1 to 1000

13

2110

(g) .1 to 500

& 1 to 5000

16

1110

(h) .1 to 1000

& 1 to 10000

17

21110