Accession Number | 100626 |
---|---|
Collection type | Photograph |
Object type | Negative |
Conflict |
Second World War, 1939-1945 |
Copyright |
Item copyright: Copyright expired - public domain
|
Illustration of demonstration wireless circuit "valve as an oscillator" used as an aid in ...
Description
Illustration of demonstration wireless circuit "valve as an oscillator" used as an aid in instruction by Australian School of Signals.