Quadro wall lamps mid-century by Jürgen Lange for Schönbuch, Germany, 1960s, set of 6.

Vintage design. Wall appliques for cabinets in Space Age style by the renowned manufacturer Schönbuch. The fixtures are square and feature a concave circular recess in the middle. There is a version in black plastic at the centre. Due to the symmetry and tile-like shape, individual elements can be combined to create large lighting installations. The large Globe lamps are just one example. The fixtures are also ideally suited for mirror bulb types.