American office armchair 30/40

The so-called "american" office armchair of the 30s/40s, turning on a screw system, adjustable height. Massive curved back, seated "saddle" shape. ---- beautiful line, generous template. Refreshed patina during the course of the experience (a few traces). Very stable on its axis (rare) and footy robust. Ready to install. Seated 48 X 44 cm. Adjustable seat height; a minimum of 42 cm for a total height of 87 cm; 49 cm for a total height of 94 cm. Width between accodoirs at the highest 52 cm. Wheelbase about 40 cm. Quick delivery by parcel by carrier all france insurance included.