<p>AWM caption : FREMANTLE, AUSTRALIA. 1943-02-18. WORK ON THE CONSTRUCTION OF A PARAPET TO NO. B2 GUN POSITION AT LEIGHTON BATTERY, FREMANTLE FIXED DEFENCES.
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<br>Comment : This is a <a href="https://en.wikipedia.org/wiki/BL_6_inch_Mk_VII_naval_gun" class="extiw" title="en:BL 6 inch Mk VII naval gun">BL 6-inch Mk VII gun</a>.
not stated
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