Set of four vertical ventilation shutters in folded, riveted sheet aluminum. Profiled in the shape of an airplane's wing with steel pivots on the ends for rotation and air regulation. Handle inserted and screwed into the wing to operate the ventilator shutter.
Locking catch at the bottom. Black lacquered wood frame added later for display purposes.
Provenance: Panjab University (sector 14), Secretariat (1958), Assembly in Chandigarh (1964).
Photo ref.: "Catalogue Leclere" Sale on 04/06/2015 in Marseille, lot no. 123.