Grazebrook beam engine

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52°29′33″N 1°53′17″W / 52.49258°N 1.88818°W / 52.49258; -1.88818 The Grazebrook Engine is an 1817 beam engine that was used for blowing air over the hot coals of a blast furnace to increase the heat. It is now found as sentinel sculpture on the Dartmouth Circus roundabout at the entrance of the A38(M) in Birmingham, England. It is believed to be the largest steam engine used in Birmingham.^{[citation needed]}

It was built in 1817 to the designs of Watt, who had a foundry in Soho, Birmingham, by Grazebrook & Whitehouse for their Dudley foundry in Dudley, Worcestershire. It provided air for two blast furnaces.^[1] In 1912, it was retired, remaining on site as a standby engine. It was dismantled in 1964, and is now displayed on the Dartmouth Circus roundabout at the entrance of the A38(M) (Aston Expressway) and the A4540 (Dartmouth Middleway).^{[citation needed]}