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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.

Rays in the binocular microscope.
UMG23A01_315

Rays in the binocular microscope.

Eyepiece of the microscope.
UMG23A01_304

Eyepiece of the microscope.

Projection microscope.
UMG23A01_314

Projection microscope.

Inverse microscope.
UMG23A01_305

Inverse 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.

Polarizing microscope.
UMG23A01_313

Polarizing microscope.

Device for the polarization of light in the microscope.
UMG23A01_302

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

Microscope.
UMG23A01_312

Microscope.

Dissecting microscope Zeiss.
UMG23A01_303

Dissecting microscope Zeiss.

Woman in research laboratory unknown date.
UMG22A03_217

Woman in research laboratory unknown date.

Woman in research laboratory unknown date.
UMG22A03_216

Woman in research laboratory unknown date.

Frank Hirosama [i.e., Hirosawa] in laboratory 1943
UMG20A56_093

Frank Hirosama [i.e., Hirosawa] in laboratory 1943

Roentgen X-Ray Machine
UMG20A12_209

Roentgen X-Ray Machine

Just Hanging Lab Rat
UMG20A16_240

Just Hanging Lab Rat

Sterilizing Lab Bottles
UMG20A21_357

Sterilizing Lab Bottles

Hospital Operating Room
UMG20A12_162

Hospital Operating Room

Lipoid Addiction Treatment
UMG20A12_397

Lipoid Addiction Treatment

Scientist With Microscope
UMG20A12_400

Scientist With Microscope

Searching For Germs
UMG20A12_394

Searching For Germs

Chemist Working In A Lab
UMG20A12_395

Chemist Working In A Lab

Copenhagen Serum Institute
UMG20A12_396

Copenhagen Serum Institute

Dentist Has Cure For Pyorrhea
UMG20A12_118

Dentist Has Cure For Pyorrhea

TV Demonstration At Bell Labs
UMG20A13_212

TV Demonstration At Bell Labs

Futuristic Videophone
UMG20A13_190

Futuristic Videophone