Pair of dengguayi rosewood chairs, China, 19th-20th century The openwork backs feature a central vertical arched band topped by a curved crosspiece. The wooden seats are rectangular. The chairs stand on four legs joined by staggered crossbars, one of which forms a footrest. Seat: 52.5 x 42 cm; height: 102.5 cm Stains and wear. Chairs known as dengguayi - 燈掛椅 in French "chaises porte-lampe" - take their name from the resemblance of their narrow backrests to the bamboo supports once used to hang lamps.