Lamps Balanced By Pressure and Friction
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This construction is quite common in Italian lamps. Gravity causes the parallelogram to deform, making the gap between the long arms smaller. This increases pressure on the rubber in the gap, and the resulting friction holds the arm in balance. |
Read more about this topic: Balanced-arm Lamp
Famous quotes containing the words lamps, balanced, pressure and/or friction:
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Crumbling like the register at the hotel....”
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—William Howard Taft (1857–1930)