active 1846-1851, optician & optical lapidarist, seller of scientific instruments, English; British Darker, William H
active 1811-1857, optician, mathematical & philosophical instrument maker, London, England Cox, James
active 1802-1901, optician, mathematical instrument , globe & telescope maker, London, England Thomas Harris & Son
active 1847-1912, mathematical, optical & nautical instrument maker & optician, Portsmouth, England George Lee & Son
active 1845-1863, optician, optical instrument, barometer & thermometer Maker, Birmingham, England R. Field & Son
active 1833-1835, optician & mathematical, philosophical instrument maker, English; British Alexander, Alexander
1799-1880s?, manufacturer of scientific instruments; optician, Glasgow , Scotland Gardner and Company
active 1748-1759, optician, mathematical, philosophical & optical instrument maker, English Ayscough, James
1809-1874, optician, nautical instrument maker/ supplier, Southampton, Hampshire, England, British Stebbing, Joseph Rankin
active c.1860s-1876, opticians & scientific instrument maker (electrical), London, England Tisley and Spiller