Compound monocular microscope
Compound monocular microscope by C. Zeiss of Jena, Serial no. 31743, late 19th, or early 20th century
Compound monocular microscope by C. Zeiss of Jena, Serial no. 31743. In case with accessories late 19th, or early 20th century
Compound monocular microscope by C. Zeiss of Jena, Serial no. 31743, late 19th, or early 20th century
Eyepiece, Huygenian
Objective, apochromatic, homogenous immersion, 2mm. in cannister
Objective, immersion, 1/12, N.A. 1.25, in cannister
Objective, 4mm, in wrong cannister, N.A.0.65
Objective, immersion, 1/7 inch, N.A. 0.9, in cannister
Aperture plate, 3 sector windows
Micrometer, for eyepiece, in white case
Centring plate, in case
Cap, annular
Eyepiece, compensating