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An′chor, Sus-pen′sion-ca′ble.

The anchors of [97] the chains of the Menai Suspension Bridge are castiron plates having a bearing against the solid rock. Three oblique circular shafts six feet in diameter and sixty feet in depth were blasted into the solid rock, a considerable space being left between each shaft. At the bottom is a cross-tunnel which runs horizontally and at right angles to the inclined shafts. The iron plates, weighing 2,240 pounds, were fitted into seats in the face of the rock at right angles to the chains which are bolted thereto. a, cross-tunnel; b, anchor; c, suspension-cable.

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