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1960s SCIENCE PROFESSOR WRITING A FORMULA FOR CHELATING AGENT ON CHALKBOARD
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A group of children, boys and girls in a classroom with their teacher.
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1950s SCHOOL TEACHER STANDING IN FRONT OF BOARD LEANING ON CHAIR BY DESK
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1950s GIRL AT FRONT OF CLASSROOM USING POINTER TO READ THROUGH SCHOOL NEWS ON CHALKBOARD WITH TEACHER STANDING AT DESK
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1950s SCHOOL TEACHER AT DESK HAND TO GLASSES EXPRESSION OF SURPRISE OPENING A VALENTINE FOR TEACHER GLOBE BLACKBOARD
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1960s MAN TEACHER AT DESK IN CLASSROOM PENCIL PAPER IN FRONT BLACKBOARD BACKGROUND SMILING AT CAMERA
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1950s SCHOOL TEACHER WEARING GLASSES SITTING AT DESK IN FRONT OF BOARD IN CLASSROOM
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1960s MAN STUDENT TEACHER POINT AT GLOBE AT DESK NOTEBOOK BOOK PAPERS WEAR SUIT & TIE CHALKBOARD STUDY HISTORY GEOGRAPHY
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1960s SMILING MALE SCHOOL TEACHER SITTING AT DESK WEARING EYEGLASSES LOOKING AT CAMERA
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Portrait of smiling male teacher and student in front of chalkboard holding hands
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1960s ANGLED BACK VIEW OF CLASSROOM WITH TEACHER AT BLACKBOARD PLOTTING COMPLEX EQUATION IN GRAPH FORM
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1960s BACK VIEW OF CLASSROOM WITH TEACHER STANDING BEHIND DESK WITH BOOK IN HAND EXPLAINING GRAPHED EQUATION ON BLACKBOARD
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Schoolgirl writing on a textbook with her female teacher standing behind her and smiling
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Myanmar, Chin State, Kempetlet. Teacher and pupils Inside a local primary school (MR) (PR)
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