A mechanical clock set in a solid block casing of varnished mulga wood, in the shape of the Australian mainland. The inset rectangular clock face is cream with a border of silver metal. The Arabic numerals are gilt. The hands are made of gilt luminous material. The words 'West Germany' appear at the bottom of the face. To the right of the clock face an enameled metal disc is attached to the wood. It has a silver background with a blue and red illustration of an atomic explosion with a double mushroom cloud above the word 'Maralinga' in red. The clock's winders and dials protrude from a metal plate at the back. This plate covers a separate rectangular wooden block at the back that is attached to the Australia-shaped block by two metal screws. Next to this rectangular block is glued a faded paper sticker, blue with a brown map of Australia. Now barely visible on the sticker, but included in a hand-written description on the object file, is a red picture of a slouch hat and the words [xxx[ Mulga [xxx]. Two wooden pegs are glued on the back of the mount towards the base, acting as support for standing.