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Photograph 125732 Second World War, 1939-1945RUSHCUTTERS BAY, NSW. 1946-02-06. 38344 ABLE SEAMAN CATHCART FITTING AN OSCILLATOR INTO A FRAME IN THE OSCILLATOR REPAIR SHOP AT HMAS RUSHCUTTER ANTI-SUBMARINE SCHOOL.

The Australian War Memorial Collection. Test site
RUSHCUTTERS BAY, NSW. 1946-02-06. THE OSCILLATOR REPAIR SHOP AT HMAS RUSHCUTTER ANTI-SUBMARINE SCHOOL. 21095 LEADING SEAMAN KRAUTZ (1) AND 38344 ABLE SEAMAN CATHCART (2) ARE REPAIRING BRITISH TYPE OSCILLATORS WHILE 13603 CHIEF PETTY OFFICER MCDERMITT (3) INSPECTS THE TRANSMITTING DOME OF AN AMERICAN TYPE.
RUSHCUTTERS BAY, NSW. 1946-02-06. 38344 ABLE SEAMAN CATHCART FITTING AN OSCILLATOR INTO A FRAME IN THE OSCILLATOR REPAIR SHOP AT HMAS RUSHCUTTER ANTI-SUBMARINE SCHOOL.

RUSHCUTTERS BAY, NSW. 1946-02-07. HMAS RUSHCUTTER ANTI- SUBMARINE SCHOOL. A TYPE 134A DOME. THIS FORM OF ASDIC (SUBMARINE DETECTION APPARATUS) IS USED ON SMALL ANTI SUBMARINE VESSELS. ENCLOSED WITHIN

RUSHCUTTERS BAY, NSW. 1946-02-07. HMAS RUSHCUTTER ANTI- SUBMARINE SCHOOL. A CUTAWAY DOME AND OSCILLATOR OF A TYPE 144 ASDIC (SUBMARINE DETECTOR). THE DOME IS LOWERED WHEN THE SHIP IS CONDUCTING ANTI-

RUSHCUTTERS BAY, NSW. 1946-02-06. A TYPE 144 ASDIC (SUBMARINE DETECTION) UNIT IN A DEMONSTRATION ROOM AT HMAS RUSHCUTTER ANTI-SUBMARINE SCHOOL. THE SET'S DIRECTING GEAR, USED TO RAISE AND LOWER THE OS

RUSHCUTTERS BAY, NSW. 1946-02-06. THE DIRECTING GEAR OF A TYPE 147 SUBMARINE DETECTOR AT HMAS RUSHCUTTER ANTI- SUBMARINE SCHOOL. THE OPERATOR CHANGES THE VERTICAL ANGLE OF THE OSCILLATOR BEAM THUS ENA

RUSHCUTTERS BAY, NSW. 1946-02-06. AN OSCILLATOR SUPPORTED BY TWO DRUMS OUTSIDE THE TRAINING HUT ON THE FORESHORE AT HMAS RUSHCUTTER ANTI-SUBMARINE SCHOOL. THE OSCILLATOR SENDS SOUND WAVES OUT ACROSS T
