chemical equipment on table of lab, circa 1930s - old laboratory stock pictures, royalty-free photos & images
scientist performing experiment in lab, circa 1953 - old laboratory stock pictures, royalty-free photos & images
below view of female scientist looking through a microscope. - old laboratory stock pictures, royalty-free photos & images
male doctor using microscope in surgery, (b&w) - old laboratory stock pictures, royalty-free photos & images
senior chemist working in antiquated lab - old laboratory stock pictures, royalty-free photos & images
male scientist working in the digestorium - old laboratory stock pictures, royalty-free photos & images
close up of old glass bottles for medicine - old laboratory stock pictures, royalty-free photos & images
portrait of antiquated chemist with goggles - old laboratory stock pictures, royalty-free photos & images
happy scientist working on futuristic innovation on a touch screen. - old laboratory stock pictures, royalty-free photos & images
female chemist analyzing something through a microscope in laboratory. - old laboratory stock pictures, royalty-free photos & images
scientist discussing and using digital tablet - old laboratory stock pictures, royalty-free photos & images
Russian biologist Ilya Ilich Mechnikov ,founder of immunology, examining the contents of a petri dish.
science and technology has vividly improved life - old laboratory stock pictures, royalty-free photos & images
nurse applying vaccine on patient's arm - old laboratory stock pictures, royalty-free photos & images
african american scientist holding specimen in petri dish - old laboratory stock pictures, royalty-free photos & images
radioactive symbol of abandoned chemistry laboratory - old laboratory stock pictures, royalty-free photos & images
senior professional biochemist noting results of experiment at table - old laboratory stock pictures, royalty-free photos & images
female biochemist using microscope in laboratory - old laboratory stock pictures, royalty-free photos & images
mature forensic scientist looking through microscope while working on research in a laboratory - old laboratory stock pictures, royalty-free photos & images
happy businesswoman standing by colleague in laboratory - old laboratory stock pictures, royalty-free photos & images
technology is critical to the development of scientific ideas and methods - old laboratory stock pictures, royalty-free photos & images
antique illustration of scientific discoveries, photography: magnifying glass - old laboratory stock illustrations
the 50-years-old attractive seriose woman, scientist, working with the microscope and bacterial culture in the college microbiology lab - old laboratory stock pictures, royalty-free photos & images
contemporary decorative artwork used for paper design, book. in abstract shape website work, stripes, tiles - old laboratory stock pictures, royalty-free photos & images
scientist pipetting sample into tray for dna testing in laboratory - old laboratory stock pictures, royalty-free photos & images
medical school professor using model to teach nursing students - old laboratory stock pictures, royalty-free photos & images
doctor, nurse and medical meeting with tablet, paper and lab data for medicine innovation idea and research in hospital. teamwork, healthcare leadership and collaboration communication in help clinic - old laboratory stock pictures, royalty-free photos & images
antique illustration of scientific discoveries, experiments and inventions: microscope, wheat flour - old laboratory stock illustrations
multi ethnic laboratory team at work. senior doctor using microscope. - old laboratory stock pictures, royalty-free photos & images
indian doctor using microscope in laboratory - old laboratory stock pictures, royalty-free photos & images
Female lab technician examines a slide through a microscope. A rack of test tubes and a beaker of solution rest beside her. She wears a white lab...
happy woman pharmacist talking with colleague sitting by at pharmacy - old laboratory stock pictures, royalty-free photos & images
close-up portrait of confident mature female in lab coat working at chemist lab - old laboratory stock pictures, royalty-free photos & images
mature chemist working on a microscope among her coworkers in laboratory. - old laboratory stock pictures, royalty-free photos & images
medical doctor writing on document for insurance, planning schedule with paperwork and doing admin report working as nurse in hospital. worker giving signature on contract at healthcare clinic - old laboratory stock pictures, royalty-free photos & images
confident male colleagues discussing while looking at machinery in laboratory - old laboratory stock pictures, royalty-free photos & images