This Tommy lamp, designed by German design studio Spezial and produced by Studio Domo, has an adjustable head—but no pivoting mechanism. Instead, it relies on physics and a little activity from the user:
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I like it; it reminds me of something you’d improvise on a jobsite or in a workshop, and serves as a good ID example of “more than one way to skin a cat.”
The cast-iron base keeps the lamp put, and Spezial points out that the frame can accommodate a second lamp head if desired.