Tower Bridge by Harry Cory Wright is published by Thames & Hudson
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| A bridge lift in action |
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| The BT Tower and St Paul’s Cathedral, viewed through the west walkway |
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| Bolts needed for the maintenance of the bridge are shelved by size, and stored with vintage spare parts |
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| Inside the engine rooms on the south side of the bridge |
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| Steel arches under the north tower |
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| The bascule chamber, under the river on the south side of the bridge, through which the bascule counterweights swing when the bridge is lifted |
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| Controls inside the south-east cabin |
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| Staircases in the south tower |
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| Tower Bridge at sunset |
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| Side view of the south bascule counterweight, located high in the bascule chamber until the bridge is lifted |
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| Staircases in the south tower |
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| A bridge lift in action |
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| The south tower viewed from the top of the north tower |
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| The bascule chamber, under the river on the south side of the bridge, through which the bascule counterweights swing when the bridge is lifted |
Source: Inside the bascule chamber: secrets of Tower Bridge – in pictures
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