ID:
45
Maker's Name:
Cambridge Instrument Company
Where made:
England
Dimensions:
12 × 10 × 8 cm
Enables current passed to galvanometer to be reduced by known factor variance ratios of attenuation from 3 to 10,000 according to switch pos. Constant resistance 100,000 ohms presented to current source.Manganin wire resistance coils used.
