active 1805-1845, optician, nautical instrument maker, Portsmouth, English Stebbing, George 1775 - 1847
1775-1856, surgical instrument maker & natural philosopher, English Pepys, William Haseldine 1775 - 1856
active 1775-1800 & 1870-1930s, clock-maker; watchmaker; scientific instrument maker, France Bréguet 1775