A Uniclox Industrial electric wall clock with aluminum case, factory label to front, 26.25"dia. Provenance: The Estate of Eddi Van Auken, Danville, California. Note: Uniclox was first established in Johannesburg, South Africa, in 1939 as a clockmaker and officially registered in 1945. Several of their large clocks adorn prominent buildings in the city, such as the SAB Building and the Oriental Plaza Tower.