053165
Photograph 053165 Second World War, 1939-1945Eight ton concrete blocks drying in the sun, which will be used to anchor the boom defence nets in the Manton dam.

The Australian War Memorial Collection. Test site
Newly made eight ton concrete blocks curing in the sun. These will be used to anchor the boom defence nets across Darwin Harbour and the recently completed Manton dam, located about 70 Kilometres south of Darwin.
Eight ton concrete blocks drying in the sun, which will be used to anchor the boom defence nets in the Manton dam.

As a war precaution, Australian Army Engineers, in cooperation with the Naval Boom Commander, installed a boom defence system against aerial torpedoes in the Manton dam. The vehicle is a 30 CWT K seri

As a war precaution, Australian Army Engineers, in cooperation with the Naval Boom Commander, installed a boom defence against aerial torpedoes in the Manton dam, south of Darwin. The engineers are in

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. 1943-07-01. MEMBERS OF THE 6TH AUSTRALIAN ARMY TROOP COMPANY, ROYAL AUSTRALIAN ENGINEERS, WHO WORKED ON THE BOOM DEFENCE SYSTEM OF 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.
