Microscope by Robert
Microscope by Robert, 2 eyepieces (camera lucida attahced to one eyepiece), no. o.g. in case, no.4 o.g., nos.1.2,3 screwed together to form a triple o.g., no.4 o.g. different type o.g. (scratched "Robert)
Microscope by Robert, 2 eyepieces (camera lucida attahced to one eyepiece), no. o.g. in case, no.4 o.g., nos.1.2,3 screwed together to form a triple o.g., no.4 o.g. different type o.g. (scratched "Robert)
