Microscope Slide Set - Introductory Set No. II, Set of 12

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Here is the corrected text: This set of 12 slides includes a variety of specimens: Letter "e", Housefly head with proboscis, three types of hair, Hydra budding, Diatom, Spirogyra vegetating, Sponge fibers, Mixed protozoa, Sand with three types, Paramecium, Textile fibers (silk and rayon), and Textile fibers (silk, cotton, wool, and linen).