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ms young woman writing mathematical formula on blackboard / singapore - blackboard equations stock videos & royalty-free footage00:08MS Young woman writing mathematical formula on blackboard / SingaporeTeacher, Mathematics, Mathematical Symbol
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sun in orange sky, sunset, trees, branches & leaves in silhouette, male scientist writing equation underneath 'sub-solar surface', 'convection',... - blackboard equations stock videos & royalty-free footage00:141968: SOLAR RESEARCH: HD: WS Sun in orange sky, sunset, trees, branches & leaves in silhouette, MS ZI Male scientist writing equation underneath 'sub-solar surface', 'convection', 'currents' on blackboard. Astronomy, solar physics, science, mathematics.Mathematics, Scientist, 1960-1969
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presents interviews with four scientists who explore their thought processes, personalities, and methods of work as they analyze ways by which they... - blackboard equations stock videos & royalty-free footage00:351970s: Man monitors graph printer in lab. Man writes equations on chalk boardMathematical Symbol
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hands writing notes, cleaning trains and handing out diplomas / teacher writes on chalkboard / split screen into four scenes of hands giving money to... - blackboard equations stock videos & royalty-free footage01:03CU montage of working handsBook, Typewriter, Giving
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presents interviews with four scientists who explore their thought processes, personalities, and methods of work as they analyze ways by which they... - blackboard equations stock videos & royalty-free footage00:341970s: Man writes equations on blackboard as colleagues watchMathematical Symbol
examines the determined purpose and accomplishments of jewish immigrants to their homeland--the planning and growth of israel's cities, reclamation... - blackboard equations stock videos & royalty-free footage00:211970s: Person writing math equations on paper. Man writing math equationsTeacher, University, 1970-1979
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writing formula on chalkboard - blackboard equations stock videos & royalty-free footage00:05CU Writing Formula on ChalkboardClose-up, Handwriting, 1960-1969
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