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Photograph 012676 Second World War, 1939-1945STEEL HELMET MANUFACTURE AT COMMONWEALTH STEEL CO. LTD., NEWCASTLE, N.S.W. THE NICKEL CASED TEST BULLET DENTS HELMETS BUT FAILS TO PIERCE BULLET PROOF STEEL. (NEGATIVE BY BOTTOMLEY).

The Australian War Memorial Collection. Test site
STEEL HELMET MANUFACTURE IN AUSTRALIA. HELMETS ARE THOROUGHLY LACQUERED AFTER FORMING AND THEY ARE SHOWN HERE STACKED FOR DRYING. (NEGATIVE BY BOTTOMLEY).
STEEL HELMET MANUFACTURE AT COMMONWEALTH STEEL CO. LTD., NEWCASTLE, N.S.W. THE NICKEL CASED TEST BULLET DENTS HELMETS BUT FAILS TO PIERCE BULLET PROOF STEEL. (NEGATIVE BY BOTTOMLEY).

STEEL HELMET MANUFACTURE IN AUSTRALIA. IN THIS CUTTING-PRESS OPERATION THE EDGES OF THE HELMET ARE CUT ACCURATELY TO CORRECT SIZE AND SHAPE. (NEGATIVE BY BOTTOMLEY).

STEEL HELMET MANUFACTURE IN AUSTRALIA. SMOOTHING EDGE OF HELMET ON EMERY WHEEL. (NEGATIVE BY BOTTOMLEY).

STEEL HELMET MANUFACTURE IN AUSTRALIA. STEEL HELMET BEING TESTED BY AN AUTOMATIC PISTOL SHOT FIRED AT A RANGE OF NINE FEET. (NEGATIVE BY BOTTOMLEY).

STEEL HELMET MANUFACTURE IN AUSTRALIA. CIRCULAR PIECE OF BULLET PROOF STEEL BEING PLACED BETWEEN SHAPING DIES WHICH PRESS IT INTO THE WELL KNOWN HELMET SHAPE. (NEGATIVE BY BOTTOMLEY).

AFTER FORMING AND DRILLING READY FOR ASSEMBLY THE STEEL SHEETS ARE WEIGHED BEFORE DESPATCH. (NEGATIVE BY BOTTOMLEY).
