During 1941-43 it was considered imminent that Japan's army may attempt to invade Australia. Anticipating Japanese air and submarine attacks, blackout restrictions were introduced and air raid warning instructions issued. This air-raid siren was installed on the roof of the G.P. Motors (originally Winchester & Rodwell Garage) during World War 2. This item reflect our past. World War II continues to evoke strong memories. Items which were part of this time are reminders of the local community's involvement.An air raid siren on a round base. It has a brass trumpet and a handle attached to pull from the ground.On base - MAX-DIA -422,15mm PLATE 10 HOLES J. WIPFLI GATIC AUSTRALIA MANUFACTURER DIES TOOLS PLASTICS MELBOURNEww11 air-raid-siren communications military