BHA Cromwell House

Tower Bridge, London



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E-Mail to Geoffrey Hartwell

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This diagram shows a section through one bascule. Note the arcuate rack which is a part of the moving bascule and is driven by the small pinions shown at the left-hand side of the diagram. Note also the resting blocks, under the bascule and on top of a masonry and steel structure at the left centre of the diagram, about 8 feet to the right of the zero line through the pivot shaft.

Tower Bridge Section

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