SOME USES FOR DIATOMACEUS EARTH - 1960S Diatomaceus earth from California made up of the fossilized remains of tiny algae can be used to manufacture insecticides and create heat insulation blocks. CU of a scientist in a pharmaceutical lab swishing a clear liquid around in a glass beaker then cut to a heat insulation block being tested with a blow torch.
Date: 1960s - COLOR Source: Film: 16P Length: 00:00:08:00, No Audio
CALIFORNIA DIATOM MINED AND PROCESSED - 1960S Diatomaceus earth consisting of the fossilized remains of tiny algae is loaded into trucks from a California site then taken to a plant for processing. Diatom is used in such products as insecticides, metal polish, swimming pool filters and more.
Date: 1960s - COLOR Source: Film: 16P Length: 00:00:17:00, No Audio
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