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  1. Genesis of Bacterial Flagella (1959 Film)

    Director
    Adrianus Pijper
    Subject
    Biology
    Distribution
    Film (16mm)

    Cinemicrographs of ‘Salmonella’ bacteria showing the evolution of the tail into various helical forms with age and demonstrating that true motility is possessed only while the tail is still straight.

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  2. Flagella and Motility of Spirilla (1956 Film)

    Distribution
    Film (16mm)

    Shows that bacterial motility is due to movement of the bacterial cell itself; the flagella as passive appendages.

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  3. Salmonella Typhosa: Somatic or O-Agglutination (1950 Film)

    Director
    Adrianus Pijper
    Subject
    Biology
    Distribution
    Film (16mm)

    Professor Pijper’s cinematographic technique; ‘tails’ in Salmonella typhosa become thickened with H-serum, causing entanglement with H-agglutination.

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  4. Salmonella Typhosa in Sunlight Darkground Cinemicrography (1950 Film)

    Subject
    Biology
    Distribution
    Film (16mm)

    Microscopic and cinemicrographic technique; how typhoid bacteria swim with ‘tails’. These thicken with H-serum and produce H-agglutination.

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