No lampshade hides the aesthetic retro-bulb socket of the Avra pendulum light. That's good, because, with a decorative bulb, your uncovered suspension light looks anything but improvised.

If clear industry style is your thing, twist a simple globular sphere with visible filament into the black frame. Or combine the metal frames in brass or copper with amber-colored lights (e.g., Nordlux Avra LED bulbs, brown stripes) for the perfect Sixties-look. For a contemporary and cozy lamp, you can hang several pendulums as a group with different spheres. As far as furnishing advice... the hard facts about the technology you have hopefully already give some details in the list...