J.G. Hofmann Direct Vision Spectroscope w/Case, Paris, 1860's-70's

Lacquered brass spectroscope by J.G. Hofmann of Paris, circa 1860's-70's. Hofmann was a pioneer in manufacturing direct vision spectroscopes. This one is in good, apparently functional condition, with the case. Brown leather barrel covering in good condition for the age. Lacquer has spotting.