"James Green was born in London, England in 1817.  He died in New York City in 1896.  Baltimore, Maryland City Directories from 1833-1849 list James Green as a philosophical and mathematical instrument maker.  New York City Directories from 1850-1889 list James Green as an Optician, Importer and Manufacturer of mathematical and philosophical instruments."

Reference:  Smart, Charles E.  The Makers Of Surveying Instruments In America Since 1700   Troy, New York:  Regal Art Press.  1962