Compound monocular microscope by Winkel-Zeiss of Gottingen
Compound monocular microscope by Winkel-Zeiss of Gottingen, serial No.71231, c.1925
Compound monocular microscope by Winkel-Zeiss of Gottingen, serial No.71231, in case with accessories c.1925
Compound monocular microscope by Winkel-Zeiss of Gottingen, serial No.71231, c.1925
Eyepiece, Juygenian, times 6
Objective, numbered 10, with cannister
Objective, numbered 42, with cannister
Objective, immersion, numbered 90, with cannister
Eyepiece, Huygenian, times 12, in body tube