Knob, plastic [phenol-formaldehyde and urea-formaldehyde resin], made by Commonwealth Moulding Pty Ltd, Arncliffe, New South Wales, Australia, 1942
A circular shaped black plastic knob. The knob has a round surface top which is smooth and shiny and a moulded raised rim. The base is decorated with geometric rectangular shapes rising from the the bottom 3/4 of the way up. The knob has moulded threading within the hollow centre for attachment.