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'''Count Pierre-Louis-George du Buat''' (23 April 1734 – 17 October 1809) was a French military engineer who worked on problems in hydraulics and hy [[Category:1734 births]] ...

...ited many places in England, he lived in London for a few months where, in 1809, he published his first work.<ref name=":0" /> In 1814, he published his se ...ir Applications to the Integral Calculus and the Summation of Series |date=1809 |publisher=John Murray and Archibald Constable and Company }}</ref> Through ...

* 1809 – City gaol and Sessions House completed.<ref name=IAL1751/> ==Births== ...

| serviceyears = 1809–1855 Marshall became a warrant officer on July 15, 1809. His specialization was gunnery. He continued at the Navy Yard from 1807 ...