A variety of shots focusing on microscopes and how they are used, and their functions. CU of bacteria as viewed through a microscope. WS of scientist at work, using a Micro-tone to shave off layers of a specimen to view under the microscope. Micro-tone working. CU scientist applying dye to slide, to better see bacteria. CU of bacteria, CU of a hand turning the lens of the microscope. CU of archival photo stills (19th century urban poor). CU of bacteria.

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