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Binocular microscope by Wenge.
UMG23A01_299

Binocular microscope by Wenge.

Binocular microscope by Nashet.
UMG23A01_298

Binocular microscope by Nashet.

Microscope.
UMG23A01_308

Microscope.

Microscope by Abbe.
UMG23A01_309

Microscope by Abbe.

Eyepiece of the microscope.
UMG23A01_304

Eyepiece of the microscope.

Rays in the binocular microscope.
UMG23A01_315

Rays in the binocular microscope.

Inverse microscope.
UMG23A01_305

Inverse microscope.

Projection microscope.
UMG23A01_314

Projection microscope.

Lens of the microscope.
UMG23A01_306

Lens of the microscope.

Binocular microscope by Nashet for two observers.
UMG23A01_297

Binocular microscope by Nashet for two observers.

An illustration of the encyclopedia publishers Education.
UMG23A01_300

An illustration of the encyclopedia publishers Edu...

Microscope with three lenses.
UMG23A01_311

Microscope with three lenses.

Aperture of the microscope.
UMG23A01_296

Aperture of the microscope.

Microscope for the aquarium.
UMG23A01_310

Microscope for the aquarium.

Device for the polarization of light in the microscope.
UMG23A01_302

Device for the polarization of light in the micros...

Polarizing microscope.
UMG23A01_313

Polarizing microscope.

Dissecting microscope Zeiss.
UMG23A01_303

Dissecting microscope Zeiss.

Microscope.
UMG23A01_312

Microscope.

Antarctic. Explorers With Theodolite. 1957-58
UMG22A92_323

Antarctic. Explorers With Theodolite. 1957-58

Frank S. Betz Co., (Optical Instruments, etc.,) Hammond, Ind. Very few young boys or girls. 1908
UMG20A63_151

Frank S. Betz Co., (Optical Instruments, etc.,) Ha...