Microspectrometer, Abbe type
1890-1900
1 P & L goniometer eyepiece, 1 P & L Filar micrometer eyepiece, 1 P & L coverglass micrometer, 1 P & L substage condenser, 1 P & L Nicol prism, 1 Zeiss Browning eyepiece spectroscope, 1 set Leitz objective changers
1890-1900
1890-1900
1890-1910
1890-1900
1890-1900
1865-1875
1900-1940