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German physicist Georg Wilhelm Richmann.

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German physicist Georg Wilhelm Richmann.

Cigarette Filter Testing

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Cigarette Filter Testing

Dr. Jonas Salk At Work

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Dr. Jonas Salk At Work

Binocular microscope by Wenge.

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Binocular microscope by Wenge.

Binocular microscope by Nashet.

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Binocular microscope by Nashet.

Microscope.

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Microscope.

Microscope by Abbe.

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Microscope by Abbe.

Eyepiece of the microscope.

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Eyepiece of the microscope.

Rays in the binocular microscope.

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Rays in the binocular microscope.

Inverse microscope.

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Inverse microscope.

Projection microscope.

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Projection microscope.

Lens of the microscope.

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Lens of the microscope.

An illustration of the encyclopedia publishers Education.

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An illustration of the encyclopedia publishers Edu...

Microscope with three lenses.

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Microscope with three lenses.

Microscope for the aquarium.

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Microscope for the aquarium.

Device for the polarization of light in the microscope.

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

Polarizing microscope.

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Polarizing microscope.

Dissecting microscope Zeiss.

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Dissecting microscope Zeiss.

Microscope.

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Microscope.

tci road experimental institute, laboratory for materials experiments, août 1954

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tci road experimental institute, laboratory for ma...

italie, institut routier expérimental du touring club italien, fondé en 1916

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italie, institut routier expérimental du touring c...

Italy, experimental road institute of touring club italiano, 1965

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Italy, experimental road institute of touring club...

chemistry laboratory, soresina industry, 1920-1930

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chemistry laboratory, soresina industry, 1920-1930

Laboratory Of Pharmacy. University Of Florence. Tuscany. Italy. 1964

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Laboratory Of Pharmacy. University Of Florence. Tu...

Education. Chemistry Activity. 1964

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Education. Chemistry Activity. 1964

Disturb not the Dead

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Disturb not the Dead

Space Shuttle Columbia soars from Launch Pad 39A at 2:02 p.m. EDT July 1 1997

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Space Shuttle Columbia soars from Launch Pad 39A a...

The Space Shuttle Columbia soars from Launch Pad 39A at 2:02 p.m. EDT July 1 to begin the 16-day STS-94 Microgravity Science Laboratory-1 (MSL-1) mission ca. 1997

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The Space Shuttle Columbia soars from Launch Pad 3...

The Space Shuttle Orbiter Columbia is reflected in a nearby pond as it rolls over to the Vehicle Assembly Building (VAB) ca. 1997

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The Space Shuttle Orbiter Columbia is reflected in...

STS-94 Pilot Susan Leigh Still watches as Commander James D. Halsell, Jr., speaks to the media after the crew arrived at the Shuttle Landing Facility at Kennedy Space Center ca. 1997

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STS-94 Pilot Susan Leigh Still watches as Commande...

1992 - Crewmember working on the spacelab Drop Physics Module, Rack 9.

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1992 - Crewmember working on the spacelab Drop Phy...

A technician doing a weather physics experiment

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A technician doing a weather physics experiment

Space Shuttle Columbia soars from Launch Pad 39A at 2:20:32 p.m. EST, April 4 1997

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Space Shuttle Columbia soars from Launch Pad 39A a...

JSC technician checks STS-44 DSO 316 bioreactor and rotating wall vessel hdwr

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JSC technician checks STS-44 DSO 316 bioreactor an...

Close up of plant tissue cultures being grown in a lab

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Close up of plant tissue cultures being grown in a...

Woman scientist in a laboratory ca. between 1909 and 1923

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Woman scientist in a laboratory ca. between 1909 a...

L to R: Miss Lucia McCollock, Miss Mary Bryan, Miss Florence Hedges, The women scientists make cultures of the parasites, create experiments and do all sorts of technical laboratory work ca. 2 January...

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L to R: Miss Lucia McCollock, Miss Mary Bryan, Mis...

Men in laboratory

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Men in laboratory

1939 - government experiments test the ability to make egg whites different colors.

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1939 - government experiments test the ability to ...

1939 - government experiments test the ability to make egg whites different colors.

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1939 - government experiments test the ability to ...

The Atwood machine

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The Atwood machine

The body of vladimir lenin in the mausoleum on red square which will be closed to the public untill april 5 because of prophylactic works, scientists of the laboratory of biological structures have be...

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The body of vladimir lenin in the mausoleum on red...

A young woman performing an experiment at the peat science laboratory at the higher school of rural economy in warsaw, poland may 1964, there are now more than three times more academic schools than b...

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A young woman performing an experiment at the peat...

A rural laboratory on a collective farm in the orsha district of the mari autonomous republic, soviet farmers conducted experiments in the field, and corresponded with experimental agricultural statio...

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A rural laboratory on a collective farm in the ors...

Injecting Pest Bacillus into rats

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Injecting Pest Bacillus into rats

Science lecture 1943

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Science lecture 1943

Scientists Test Auto Ignition

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Scientists Test Auto Ignition

Lipoid Addiction Treatment

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Lipoid Addiction Treatment

Cancer Researcher

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Cancer Researcher

Scientists Look At Test Tube

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Scientists Look At Test Tube

Searching For Germs

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Searching For Germs

Chemist Working In A Lab

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Chemist Working In A Lab

Professor Alexander Fleming

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Professor Alexander Fleming

Copenhagen Serum Institute

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Copenhagen Serum Institute