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  1. Life History of the Frog, The (1935 Film)

    Subject
    Biology
    Distribution
    Film (16mm)

    Describes the embryology of the frog. The processes of coition, fertilisation, cleavage, gastrulation, neurulation and subsequent development are illustrated in turn, by means of micro-photography,...

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  2. Crystals (1980 Video)

    Subject
    Chemistry
    Distribution
    OUT OF DISTRIBUTION, Videocassette. Standard formats. col. 25 min.

    Introduction to crystal structures. Shows how the regularity of the external appearance of a crystal (interfacial angles, cleavage planes) reflects its internal order. Illustrated with examples of the...

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  3. Development of the Axolotl (1977 Film)

    Subject
    Biology
    Distribution
    Film (16mm)

    Studies the early stages of the development of the axolotl, an aquatic salamander with emphasis on genetically-determined characteristics. Two wild-type dark axolotls are mated, each is heterozygous for...

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