Drawing table / architect with sun system by E.Chouanard

Architect's drawing table with late 19th walnut system. The tray is completely tiltable and slideable from right to left thanks to two slide systems by butterflies. The central barrel-shaped foot contains a rack to manage the height. The x-foot has 4 casters. The whole is in solid walnut. A plaque indicates table soleil system g patented sgdg e chouanard. Good condition all systems are working. Articulated edges see photos. Work of 1870 unique engineer of this system. Width plateau 89. Tray height 1.39. Width foot 60.