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Mr Monkey at Tower Bridge, September 23rd

"They're very nicely painted engines, you know"

Mr Monkey in front of one of Tower Bridge's Lancashire boilers Mr Monkey beside one of Tower Bridges pumping engines

Mr Monkey started his visit to the engine rooms of Tower Bridge by looking at the Lancashire Boilers. Four boilers used up to 20 tons of coal a week to power two Armstrong Mitchell & Co pumping engines. These pumped water from a resevoir under the floor into the hydraulic system at a pressure of 750 pounds per square inch. Mr Monkey was able to look into the boilers because Tower Bridge switched to electric power in 1976.

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Copyright Rik Shepherd and Mr Monkey. This page last modified 10 October 2006