ID: 
1882
Maker's Name: 
J L William Scientific Instruments
Where made: 
Australia
Dimensions: 
49.5 × 60 × 25 cm

Standard Wheatstone bridge for measuring resistance down to about 0.01 Ohm. Arm resistances are Manganin and are selected with rotary switches and plugs. Arm ratio is selectable using a rotary switch.