Desk lamp architect with ball head vintage Italian design 70s/80s

Large architect desk lamp in black lacquered metal, beautiful italian achievement dating from the 70s / 80s. Its vice base is firmly attached to all supports (minimum thickness 2 cm). Rotating ball joint mounted arm in many positions, tilting and swivelling diffuser to adjust lighting. Very good general condition, some traces of use that remain quite discreet see photos. Switch on diffuser, screw socket 75w maxi supplied with a bulb. Height 100 cm arm 33 & 50 cm.