ID: 
2319
Maker's Name: 
Roblan
Where made: 
Australia
Dimensions: 
7 × 4.1 × 3.4 cm

This variable capacitor has two groups of Aluminium plates. The brass spindle may be turned 180 degrees, varying the area of plates facing one another, thus varying the capacity between plates.

The range of capacity per gang is around 15 picoFarads to 415 picoFarads. Insulation of the fixed plates is Paxolin board.