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original c. 1920's vintage american industrial "white" articulating

有關物品

completely intact and rewired c. 1920's american vintage industrial "white" adjustable benchtop task lamp. the lamp may be shifted into any desired position and held there adjustably. the most astonishing feature is a sectional ball and socket "knuckle" joint (found on the upright pipe) suited to any required position, either the ceiling, wall, floor, column and so on. this fascinating joint received many awards and medals (e.g., franklin institute, of philadelphia, the massachusetts charitable mechanics association, of boston, etc.) for its remarkable originality, both in design and execution. from this joint runs a tube of firm metal to a swivel joint which carries another metal tube, usually shorter than the first. this joint allows for the extension and rotation of the arms in any direction. the conducting wires are inserted through the short arm, which at its far end carries the lamp, by a third joint, which allows the lamp to be inclined at any angle. every joint of the mechanism has an elastic pressure, easily adjusted if necessary, which is sufficient to hold a heavy lamp and shade quite firmly, and still yield to a moderate force when it is desired to change its position. the variety of form as well as the range of motion of these holders is almost unlimited. the task lamp contains a flange that can be mounted against the wall, desk or ceiling. all components have been carefully cleaned and treated with a clear coat lacquer. the paddle switch socket remains in excellent working condition. original pressed steel "hubbell" parabola-shaped reflector with patented socket mount.
藝術品交易商
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定價
6,634 HKD

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