细节
E. LEITZ, Wetzlar
A black-enamelled and lacquered-brass aquatic microscope, with swivelling arm, rack-and-pinion focusing, square stage and mirror -- 6in.(15cm.)high
A black-enamelled and lacquered-brass aquatic microscope, with swivelling arm, rack-and-pinion focusing, square stage and mirror -- 6in.(15cm.)high