053582
Photograph 053582 Second World War, 1939-1945DARWIN, NT. 1943-07-10. PARTLY FINISHED BOOM SYSTEM, SHOWING PYLONS ON EACH SIDE OF MANTON DAM AND WIRES HANGING FROM THE "JACK STAYS" FOR ANCHORING THE FLOTATION BARRELS.

The Australian War Memorial Collection. Test site
DARWIN, NT. 1943-07-01. ONE TON FOUR HUNDREDWEIGHT OF WIRE ROPE TO BE USED AS A "JACK STAY" FOR ANCHORING THE BOOM ON MANTON DAM.
DARWIN, NT. 1943-07-10. PARTLY FINISHED BOOM SYSTEM, SHOWING PYLONS ON EACH SIDE OF MANTON DAM AND WIRES HANGING FROM THE "JACK STAYS" FOR ANCHORING THE FLOTATION BARRELS.

DARWIN, NT. 1943-07-10. FLOTATION BARRELS MOORED ON THE EDGE OF MANTON DAM. NOTE "JACK STAY" FOR ANCHORING FLOTATION BARRELS WHEN THEY ARE ATTACHED TO THE ANTI-AERIAL TORPEDO NET.

DARWIN, NT. 1943-07-01. CONNECTING "JACK STAY" TO FLOTATION BARRELS ON PLATFORM AT MANTON DAM.

DARWIN, NT. 1943-07-01. BOOM DRUMS USED TO SUPPORT UNDERWATER NET ON MANTON DAM. THIS BOOM IS TO COUNTER AERIAL TORPEDO ATTACK. THE TWO TEMPORARY PYLONS CAN ALSO BE SEEN.

DARWIN, NT. 1943-07-01. FLOTATION BARRELS, BOAT AND TRUCK LOADED WITH "JACK STAY" SEEN FROM THE WALL AT MANTON DAM.

DARWIN, NT. 1943-07-01. SHACKLING 100 GALLON FLOTATION BARRELS ONTO "JACK STAY" AT MANTON DAM. LEFT TO RIGHT: ABLE SEAMAN ROW, PETTY OFFICER STEWART AND DRIVER JUST.
