Black & White hanging lamp, 1965 Achille and Pier Giacomo Castiglioni Glass and steel, 14 1/2 x 19 5/8 x 19 5/8" Manufactured and lent by Flos   A soft white glass cloud hides three bulbs which, together with the silver-domed bulb visible at the center, allow for three different kinds of lighting: downward when only the central bulb is lit, diffused when only the three bulbs within are lit, and a combination of the two.