Pair of vintage poly-seat armchairs

Pair of "polysièges modèle b2" armchairs by the David brothers, 1953, France. In the wake of post-war useful art, the David brothers developed multi-functional furniture to free up space in the home. The mechanism allows 2 seat positions: armchair or office chair thanks to an elaborate system for raising or lowering the seat. In the photos shown, one of the seats is in the high position and the other in the low position. Completely redone (backrest and seat in traditional horsehair upholstery) by an upholsterer, high-quality indoor and outdoor fabric by Designs of the time. Oak structure. Dimensions: width: 56 cm. Depth: 50 cm. Seat height in the high position: 50 cm. Seat height in the low position: 42.