1750-1813, engineer; inventor of the extinguisher pump/lift pump, German Löscher, Carl Emanuel 1750 - 1813
1750-1795, [Adams the Younger] active 1772-1795, mathematical instrument maker; globe maker, English; British Adams, George 1750 - 1795
1750 - about 1975, lock manufacturer, brass founder, Wolverhampton, England Gibbons of Wolverhampton 1750 - 1975
active 1750-current (2009), publishers and printers, London, England, English Shaw & Sons Limited 1750