X10 microscope micrometer eyepiece by Gillet and Sibert
1965-1980
Micrometer eyepiece
1960-1975
Microscope eyepiece
1801-1900
Three eyepieces
1801-1900
Twelve microscope eyepieces and four objectives made by Watson
1950-1960
Convex lenses and tube for eyepiece
1801-1870
Microscope eyepiece
1960-1975
X12 compensating microscope eyepiece
1880-1901
X8 compensating microscope eyepiece by Carl ZEiss
1880-1901
Projection eyepiece
1949-1960
X4 compensating microscope eyepiece
1880-1901
X18 compensating microscope eyepiece
1880-1901