ID: 
1881
Maker's Name: 
Cambridge Instrument Co Ltd
Where made: 
England
Where used: 
UQ Teaching Labs
Dimensions: 
13 × 14 × 31.5 cm

The galvanometer has a mirror suspended on a long wire, and is used with an external light and scale to read the deflection. This unit has a long period of oscillation about 45 seconds. This means it can be used as a ballistic galvanometer.