original and nicely aged cast bronze interior salvaged chicago flush mount "electric dumbwaiter" push button plaques designed and fabricated by or for the burdett rowntree mfg. co, chicago, ills. the matching plaques were salvaged from the chicago northwestern passenger station before its demolition in 1984. the station was designed in 1911 by the architectural firm of frost and granger. the heavy bronze metal plaques are priced for the pair.