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Working in biology laboratory, Jinan, Shandong, China, ca.1940
Chemistry laboratory, Chengdu, Sichuan, China, 1928
Laboratory assistant in an aluminium factory ("Farmad"), in Madagascar
Laboratory assistant in an aluminium factory ("Farmad"), in Madagascar
Working in biology laboratory, Jinan, Shandong, China, ca.1940
Laboratory of the university of Antananarivo, in Madagascar
Bacteriology laboratory, Jinan, Shandong, China, ca.1924
Medical School in Mukden. Physiological laboratory
Quantitative chemistry laboratory, Chengdu, Sichuan, China, ca.1941
Head chemist Harvey Bennet in the Los Angeles Soap Company chemistry laboratory, 1887
Freshmen working in their chemistry laboratory, Chengdu, Sichuan, China, ca.1944
Woman working in a laboratory, in Ebeigne, Gabon
State of laboratory manual instruction in California Community College introductory (non-majors) biology instruction
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Westinghouse laboratory, 1958
Electricity experiment during physics class at Ginling College, Nanjing, Jiangsu, China, 1937
A laboratory at St. Elizabeth's Hospital in Shanghai, Shanghai, China, ca. 1925
Laboratory studies in the economics of information
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Levels of inquiry: content analysis of the three most commonly used United States high school biology laboratory manuals
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Independent research internship experiences of underrepresented minorities in biological sciences: an interview case study
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Laboratory with laboratary assistant.
Miss Roy in the laboratory, in Ebeigne, Gabon
Chemistry laboratory, Yenching University, Beijing, China, ca.1929
The evolution of decision-making quality over the life cycle: evidence from behavioral and neuroeconomic experiments with different age groups
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Students in the biology laboratory, Chengdu, Sichuan, China, ca.1946
People standing outside of a laboratory, Congo, ca.1920-1940
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