FRANCK & HENRY NELSON (19th-20th CENTURY) & NELSON FRÈRES ÉDITEUR (BEFORE THE TRANSFER IN 1946 TO BIENAISE) Bienaise, the model designed in [1921] Swivel workshop chair. The black lacquered metal structure is fully adjustable by a system of arms, pivots and knurls. The backrest and seat in black lacquered cardboard. The four-legged base in black lacquered tubular metal is adjustable in height. Oxidation on the metal parts. The publisher's label is on the back of the backrest. H. 83 cm - W. 43 cm - D. 37 cmBibliography : Brigitte Durieux - Le Mobilier industriel - Éditions de la Martinière, Paris, 2011. An identical model is reproduced on page 91.