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19 résultats pour : 1930s lab

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Man working in a laboratory
UMG22A20_495

Man working in a laboratory

Men in laboratory
UMG22A04_061

Men in laboratory

1930s sceintists in a laboratory
UMG22A04_114

1930s sceintists in a laboratory

Cosmetics being tested by a worker at the Department of Agriculture circa 1937.
UMG21A21_005

Cosmetics being tested by a worker at the Departme...

Government worker from the Department of Agriculture testing cosmetics circa 1937 .
UMG21A21_313

Government worker from the Department of Agricultu...

Man working in a laboratory circa 1936.
UMG21A22_398

Man working in a laboratory circa 1936.

Man working in Laboratory circa 1935.
UMG21A22_481

Man working in Laboratory circa 1935.

Roentgen X-Ray Machine
UMG20A12_209

Roentgen X-Ray Machine

Research Chimp At Yale Labs
UMG20A23_310

Research Chimp At Yale Labs

Cultivating Germs
UMG20A12_398

Cultivating Germs

Sterilizing Lab Bottles
UMG20A21_357

Sterilizing Lab Bottles

Scientist With Microscope
UMG20A12_400

Scientist With Microscope

Scientist With Microscope
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Scientist With Microscope

Searching For Germs
UMG20A12_394

Searching For Germs

Vets Give Cow A Physical
UMG20A13_496

Vets Give Cow A Physical

Dentist Has Cure For Pyorrhea
UMG20A12_118

Dentist Has Cure For Pyorrhea

TV Demonstration At Bell Labs
UMG20A13_213

TV Demonstration At Bell Labs

TV Demonstration At Bell Labs
UMG20A13_212

TV Demonstration At Bell Labs

Discus Champion Bud Houser
UMG20A12_112

Discus Champion Bud Houser