ID: 
2523
Maker's Name: 
AWA (Amalgamated Wireless Australia)
Where made: 
Australia
WW II
Dimensions: 
13 × 18.5 × 16.8 cm

Variable inductor for laboratory use. It is based on a variometer from a tuning unit of military radio equipment.

The range is from 20 to 180 ┬ÁH.