A model of a midget submarine made from the ballast of one of the midget submarines sunk during the attack on Sydney Harbour in May 1942. The model was on display at the Museum of Sydney's temporary exhibition on Sydney in World War II.
<a href="//commons.wikimedia.org/wiki/User:Nick-D" title="User:Nick-D">Nick-D</a>
CC BY-SA 3.0
<a href="//commons.wikimedia.org/wiki/Category:Olympus_E-PL3" title="Category:Olympus E-PL3">Olympus E-PL3</a>