Vintage Tensor Pittsburgh Collection Halogen Dimmable Lamp – Brushed Steel (LT627-12) UFO Space Age Saucer Metal Table Desk Lamp Light w/ DIMMER by Underwriters laboratories. 1990s postmodern chrome desk lamp with articulated arm. Features a flying saucer shaped shade and turn knob power switch. Three points of articulation. In great vintage condition with a couple minor blemishes. Arm length: 20 in. Base diameter: 7.5 in. Shade diameter: 6.5 in.