face and hands scientific twisting handle of adjustment of microscope in dark
Pavel L Photo and Video
hands which are adjusting microscope and electronic board with figures in dark close up
Hands of a female lab doctor place and adjust microscope slide.
UNITED STATES: 1940s: Hand adjusts microscope lens. Pond life moving about on a microscope slide.
UNITED STATES: 1940s: Microscope mirror being moved into position. Image of an amoeba on a microscope slide. Hand adjusts microscope.
Closeup of Golden Retriever Dog Looking at Camera. a closeup of a golden retrievers face looking up at the camera. Camera is hand held and adjusts to dog
UNITED STATES 1970s: Shirtless man sat down on bed having chest examined by a male doctor / Nurse bandages mans arm / Woman and man sit at a table / Eyes of a person performing a test tube experiment / Person's hands adjusting slide and microscope
United States, 1970s: face looks at machine. Boy shakes man's hand. Boy operates drill machine, Boy adjusts setting on machine. US Air force plane.
scientist in goggles twists handles of devices of laser and magnifying glasses close up
scientist twists handles of control of microscope and on electronic board figures flash
scientist who is adjusting microscope in system of lasers and carrying-out glasses
complex of scientific devices from laser and microscope and man twisting handle of control in dark
Laboratory test tube turns in his hands
human hand spinning a pen