c. 1500-1585, active from 1529 in Spain, clock maker; engineer, mathematician, of Cremona, Italian? Juanelo Torriano 1500 - 1585
c. 1805-1859, active from 1825, mathematical, optical & philosophical instrument maker; clock and watch maker, British William Wilton 1805 - 1859
active 1844-1880, chronometer & clock maker, Paris, France A H Rodanet & Cie, A. H. Rodanet & 1844 - 1880
d. 1667, early maker of fine lantern clocks, worked at the Cross Keys, Lothbury, London, English Thomas Knifton Unknown - 1667
active 1892-1929, barometer and clock designer, maker, London, England, British Clement Osborn Bartrum