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  • Chemistry, Properties and Tests of Precious Stones-John Mastin

    Chemistry, Properties and Tests of Precious Stones-John Mastin
    2026/09/12
    "Chemistry, Properties and Tests of Precious Stones" by John Mastin delves into the intricate world of gemstones, exploring their chemical compositions, physical properties, and methods for testing their authenticity. This insightful work serves as a foundational text for gemology, offering timeless knowledge that remains relevant for both enthusiasts and professionals in the field. As interest in sustainable and ethically sourced gemstones grows, understanding the science behind these precious stones is more important than ever. Mastin's thorough examination not only enriches our appreciation for the beauty of gemstones but also equips listeners with the knowledge to discern their value and significance in today's market.
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    2 時間 58 分
  • American Bee Journal. Vol. VI, No. 4, Oct 1870-Various

    American Bee Journal. Vol. VI, No. 4, Oct 1870-Various
    2026/08/24
    A technical report of the experiments and observations performed on various species of twining, tendril-climbing, root-climbing, and leaf-climbing plants, with some review of past literature and an emphasis on taking measurements to allow the quantitative comparison of sensitivity and speed of reactions across different genera and species. Conclusions and hypotheses on the fitness advantages, progressive adaptations, and evolutionary relatedness of different species are included.
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    3 時間 9 分
  • Constructive Beekeeping-Ed H. Clark

    Constructive Beekeeping-Ed H. Clark
    2026/08/23
    A technical report of the experiments and observations performed on various species of twining, tendril-climbing, root-climbing, and leaf-climbing plants, with some review of past literature and an emphasis on taking measurements to allow the quantitative comparison of sensitivity and speed of reactions across different genera and species. Conclusions and hypotheses on the fitness advantages, progressive adaptations, and evolutionary relatedness of different species are included.
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    1 時間 27 分
  • Scientific American Supplement, No. 484, April 11, 1885-Various

    Scientific American Supplement, No. 484, April 11, 1885-Various
    2026/08/22
    A technical report of the experiments and observations performed on various species of twining, tendril-climbing, root-climbing, and leaf-climbing plants, with some review of past literature and an emphasis on taking measurements to allow the quantitative comparison of sensitivity and speed of reactions across different genera and species. Conclusions and hypotheses on the fitness advantages, progressive adaptations, and evolutionary relatedness of different species are included.
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    3 時間 40 分
  • Infection and Immunity-George M. Sternberg

    Infection and Immunity-George M. Sternberg
    2026/08/21
    A technical report of the experiments and observations performed on various species of twining, tendril-climbing, root-climbing, and leaf-climbing plants, with some review of past literature and an emphasis on taking measurements to allow the quantitative comparison of sensitivity and speed of reactions across different genera and species. Conclusions and hypotheses on the fitness advantages, progressive adaptations, and evolutionary relatedness of different species are included.
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    6 時間 35 分
  • Our Little Jewish Cousin-Mary Hazelton Blanchard Wade

    Our Little Jewish Cousin-Mary Hazelton Blanchard Wade
    2026/08/20
    A technical report of the experiments and observations performed on various species of twining, tendril-climbing, root-climbing, and leaf-climbing plants, with some review of past literature and an emphasis on taking measurements to allow the quantitative comparison of sensitivity and speed of reactions across different genera and species. Conclusions and hypotheses on the fitness advantages, progressive adaptations, and evolutionary relatedness of different species are included.
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    1 時間 20 分
  • Into The Valley Of Death Crimea, Balaklava, The Light Brigade Russell, Tennyson And Kipling-Various

    Into The Valley Of Death Crimea, Balaklava, The Light Brigade Russell, Tennyson And Kipling-Various
    2026/08/19
    A technical report of the experiments and observations performed on various species of twining, tendril-climbing, root-climbing, and leaf-climbing plants, with some review of past literature and an emphasis on taking measurements to allow the quantitative comparison of sensitivity and speed of reactions across different genera and species. Conclusions and hypotheses on the fitness advantages, progressive adaptations, and evolutionary relatedness of different species are included.
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    52 分
  • Rural Magazine and Literary Evening Fire-Side Vol 1 No 1-Various

    Rural Magazine and Literary Evening Fire-Side Vol 1 No 1-Various
    2026/08/18
    A technical report of the experiments and observations performed on various species of twining, tendril-climbing, root-climbing, and leaf-climbing plants, with some review of past literature and an emphasis on taking measurements to allow the quantitative comparison of sensitivity and speed of reactions across different genera and species. Conclusions and hypotheses on the fitness advantages, progressive adaptations, and evolutionary relatedness of different species are included.
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    2 時間 39 分