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1950s SENIOR MAN SMILING LOOKING AT CAMERA GESTURE WITH HAND FINGER WHITE COAT DOCTOR LAB TECHNICIAN DENTIST PHARMACIST
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1960s SCIENCE PROFESSOR WRITING A FORMULA FOR CHELATING AGENT ON CHALKBOARD
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1940s STUDENT NURSE HOLDING UP TEST TUBE WHILE TAKING NOTES IN SCIENCE CLASS
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1990s BIOSPHERE 2 ECOLOGICAL BIOME ORACLE ARIZONA NEAR TUCSON JUST AFTER COMPLETION
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1980s SENIOR MALE DOCTOR SITTING AT DESK BEHIND MICROSCOPE GLASSES REMOVED TURNED LOOKING AT CAMERA
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1960s PROFILE OF SCIENTIST MAN IN LAB COAT WRITING OUT CHEMICAL FORMULA ON BLACKBOARD
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1930s 1940s WOMAN SCIENTIST IN LAB COAT HOLDING UP AND EXAMINING BEAKER OF LIQUID
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1930s 1940s THREE SCIENTISTS IN WHITE LAB COATS CONSULTING BOOK ONE MAN TWO WOMEN BLACKBOARD
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1950s - 1960s SMILING MAN MEDICAL DOCTOR WHITE LAB COAT BLACK FRAME EYEGLASSES WEARING DIAGNOSTIC HEAD MIRROR ON FOREHEAD
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1960s GIRL STUDENT LABORATORY LAB CLASS BIOLOGY CHEMISTRY SITTING AT MICROSCOPE WITH OPEN BOOK SMILING HIGH SCHOOL TEEN
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1960s MALE LABORATORY TECHNICIAN DRESSED IN A WHITE LAB COAT READING A OSCILLOSCOPE
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1960s COLLEGE STUDENT IN CHEMISTRY LABORATORY LOOKING AT SOLUTION IN BEAKER
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1930s TWO WOMEN ONE MAN WEARING LONG WHITE LAB COATS STANDING NEXT TO LAB TABLE CHEMICALS APPARATUS CONFERENCE BUNSEN BURNERS
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1950s MAN IN LAB COAT SITTING AT TABLE LOOKING THROUGH MICROSCOPE WITH VARIOUS BEAKERS TEST TUBES & PETRI DISHES
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1920s 1930s 1940s SCIENTIST LAB TECHNICIAN IN WHITE COAT LOOKING AT TEST-TUBE IN FRONT OF MICROSCOPE
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ENGRAVING OF THOMAS EDISON'S LAB WITH PIANO PHONOGRAPH PIPE ORGAN & OTHER MISC. INVENTIONS
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1970s LAB SHOT WITH BEAKERS ON TABLE IN FOREGROUND & OTHER EQUIPMENT IN BACKGROUND IN SHADOWED LIGHTING EFFECTS
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DRAWING GENIUS INVENTOR THOMAS A. EDISON AT WORK IN HIS LABORATORY IN MENLO PARK NEW JERSEY USA
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1960s 2 STUDENTS IN CHEMISTRY LAB BOY HOLD UP TEST TUBE GIRL TAKE NOTES HIGH SCHOOL LABORATORY SCIENCE
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1960s MAN IN LAB COAT & GOGGLES SURROUNDED BY GLASS TUBING CONDUCTING SCIENTIFIC RESEARCH
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1960s PHARMACIST STANDING AT COUNTER FACING CAMERA DRUG COSMETICS SALES CUSTOMER SERVICE LAB COAT PHARMACY STORE RETRO VINTAGE
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1960s MAN COLLEGE STUDENT IN CHEMISTRY LABORATORY LOOKING AT SOLUTION IN BEAKER
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1960s MAN AND WOMAN COLLEGE STUDENTS IN CHEMISTRY LABORATORY LOOKING AT COLORED SOLUTIONS AND WRITING NOTES IN BOOK
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1960s 3 STUDENTS IN CHEMISTRY LAB CLASS LABORATORY EXPERIMENT SCIENCE HIGH SCHOOL BOY GIRLS TEENS
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1970s SIDE VIEW OF WOMAN IN LAB COAT LOOKING THROUGH ELECTRON MICROSCOPE
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1960s 3 STUDENTS BIOLOGY CLASSROOM LAB GIRLS LOOK INTO MICROSCOPES BOY STAND LOOK OVER SHOULDER TEXTBOOK
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1960s 3 COLLEGE HIGH SCHOOL TEEN STUDENT STUDENTS IN BIOLOGY LAB CLASSROOM MICROSCOPES STUDY RETRO VINTAGE
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VARIOUS SIZES OF LABORATORY GLASS BOTTLES FLASKS AND VIALS WITH COLORFUL LIQUIDS ON BLACK BACKGROUND
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1960s MALE HIGH SCHOOL TEENAGE STUDENT IN CHEMISTRY LABORATORY HOLDING TEST TUBES
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1960s GIRL STUDENT WHITE BLOUSE NOTEBOOK SEATED AT MICROSCOPE IN LAB CLASSROOM SKELETON ANATOMY PRE-MED NURSING STUDENT
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1920s - 1930s MALE SCIENTIST WEARING WHITE LAB COAT WRITING DATA ON CLIP BOARD HOLDING FOCUS CONTROL OF MICROSCOPE
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1960s COLLEGE STUDENT IN CHEMISTRY LABORATORY LOOKING AT SOLUTION IN BEAKER
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1960s TEEN GIRL WRITING NOTES WORKING WITH MICROSCOPE IN SCIENCE CLASSROOM
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1960s STUDENTS IN BIOLOGY CLASSROOM LAB GIRL SEATED AT MICROSCOPE WRITES NOTES BOY STANDS OVER HER TEXTBOOK
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1940s MAN SCIENTIST USING MICROSCOPE WEARING A WHITE LAB COAT AND TIE LOOKING AT CAMERA
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1980s DOCTOR REVIEWING CAT SCAN FILMS OF CHEST REFLECTING IN HIS EYEGLASSES
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Magic spells in antique bottles over black background and smoke
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1980s HOSPITAL RESEARCHER INVESTIGATES IMMUNE SYSTEMS RESPONSE TO CANCER
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Close-up magic spells and poison. Antique bottles over white background
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Old laboratory equipment isolated on a white background
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1960s THREE STUDENTS USING MICROSCOPES TWO BOYS ONE GIRL INDOOR HIGH SCHOOL
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1940s PROFILE SILHOUETTE OF MAN PERFORMING LAB EXPERIMENT IN DIM LIGHTING
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1970s STILL LIFE OF TEST TUBES BOTTLES FILLED WITH COLORFUL LIQUIDS AND FOLDER PAPER TABLET AND PENCIL
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1970s LABORATORY STILL LIFE OF METAL SUPPORT HOLDING FLASK FILLED WITH RED SUDSY LIQUID
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1960s LABORATORY TECHNICIAN CONDUCTING A TITRATION TEST SCIENCE EXPERIMENT
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